What does it mean to "osculate"? 10 weird biological words

Some raw, blunt words dominate how we talk about yawning, burping, or throwing up. But if you dive into the historical archives of the English language, you’ll find that scholars and medical professionals have used other alternative, fancy terms derived from Latin and Greek. If you are looking to elevate your everyday vocabulary, these ten words for body functions will completely change the way you talk about your reflexes.

We are all familiar with regurgitate, the clinical term for bringing up swallowed food. But fewer people are aware of its linguistic sibling: ingurgitate. To ingurgitate means to swallow greedily or in massive quantities; in short, to drink or eat fast.

Both words, along with gorge, can be traced back to the Latin word gurges, meaning "whirlpool". Ingurgitate is occasionally used literally (like "ingurgitating a glass of wine") and figuratively (like "ingurgitating artwork at a museum").

Bless you! Or rather, congratulations on your magnificent sternuation. Yes, you guessed it, this is the formal, scientific noun for the act or noise of sneezing. Emerging from the Latin verb sternuere (to sneeze), sternuation has been recorded in English medical texts since at least the 16th century, originally appearing in early guides on midwifery to describe infants suffering from frequent sneezes.

Let’s be honest, when nature calls, most of the words at our disposal are short and crass. If you’re looking for a linguistic upgrade that lets you handle your business with more dignity, try micturate, which simply means "to urinate".

The word had a memorable pop culture renaissance in Joel and Ethan Coen’s 1998 classic film The Big Lebowski, where a wealthy character demands to know, "Every time a rug is micturated upon in this fair city, I have to compensate the person?"

The next time you get a stubborn case of the hiccups after drinking a carbonated drink too quickly, know you’re suffering from singultus. In the medical community, this is the official term for the involuntary spasm of the diaphragm that snaps your vocal cords shut, creating that classic "hic" sound. The term comes directly from Latin, where it originally meant "a sob or speech interrupted by heavy weeping". The more common word hiccup is, obviously, a helpful onomatopoeic term.

Nobody enjoys the physical act of throwing up, but referring to it as emesis somehow makes the whole ordeal feel slightly more manageable. Derived directly from the Greek word for vomiting, the term emesis is easily found in the healthcare world. If you’ve ever taken an "antiemetic" medication to help you with motion sickness or stomach flu nausea, you’ve used a drug specifically designed to stop vomiting in its tracks.

Don’t be embarrassed if you suddenly let go of a loud burp; medically, you’ve only experienced an eructation. Meaning "the act or instance of belching", this word derives from the Latin verb eructate, which in turn means "to belch forth or violently emit".

Did you know? Historically, this word hasn’t just applied to human digestion; geologists and historians have frequently used variations of it to describe active volcanoes spewing ash and lava into the sky.

Have you ever experienced that splitting, one-sided head pain? Before we called it a migraine, English speakers suffered from megrim. This word actually shares an exact etymological lineage with migraine. Latin and Greek scholars called this localized head agony hemicrania (literally translating to "half-cranium," from hemi- meaning half and kranion meaning skull). Today, while megrim and migraine can be used interchangeably for a headache, megrim has evolved to also describe vertigo, dizziness, a sudden whim, or a state of low spirits.

Every single day, the average human swallows hundreds of times without giving it a single thought. The formal name for this essential digestive process is deglutition. This term comes to us from the Latin verb deglutire, meaning "to swallow down."

The process involves a synchronized, complex sequence of muscular movements that shuts off your airway and safely moves food, liquid, or saliva from your mouth down into your esophagus. In that sense, deglutition is an elegant word for a physical function we completely take for granted.

Before deglutition can safely occur, your mouth has to execute some serious mastication. In short, this is the clinical term for chewing. Coming from the late Latin masticatio, it defines the mechanical process by which food is crushed and ground by your teeth.

Mastication is technically the very first phase of human digestion, because chewing food into smaller pieces allows enzymes and bile to efficiently break down the nutrients. The next time someone tells you to chew before you swallow, they are just advocating for proper mastication.

We end our biological vocabulary journey on a more affectionate note. While most of the entries on this list deal with basic survival mechanisms, osculate describes a much sweeter physical connection: to kiss.

Traced back to the Latin noun osculum, which literally translates to "little mouth" or "kiss", the word found its way into English dictionaries as early as 1656. While mathematicians and scientists sometimes use it to describe two curves or surfaces coming into close contact, using osculate in a romantic context today will add a bit of old-school humor to your conversations.

UNSUNG HEROES

10 Extraordinary Individuals Who Helped Saved Millions

Image: Ben White

In the annals of history, there are hundreds of people whose actions have, in some way or another, shaped the course of humanity for the better. In difficult circumstances, these men and women were presented with the unexpected opportunity to help save others and did it without thinking twice about the consequences.

Here we'll be looking at real heroes of humanity who, throughout history, helped save countless lives.

Image: Burgess Milner

In the tense atmosphere of the Cold War, Stanislav Petrov, a Soviet military officer, found himself facing a critical decision that would shape the course of history. On September 26, 1983, Petrov was serving as a lieutenant colonel in the Soviet Air Defense Forces when the early-warning system erroneously detected incoming missiles from the United States, signaling the start of a potential nuclear attack. Despite overwhelming pressure to retaliate, Petrov trusted his instincts and reported the alarm as false, avoiding almost certain nuclear annihilation.

Image: Thomas Despeyroux

Norman Borlaug, an American agronomist, dedicated his life to combating global hunger and poverty through agricultural innovation. In the mid-20th century, Borlaug spearheaded the Green Revolution, a series of agricultural advancements that dramatically increased crop yields and food production worldwide, saving over a billion lives from starvation.

Image: CDC

Henrietta Lacks, an African American woman, unknowingly revolutionized modern medicine through her immortal cancerous cells, which were taken without her consent during her cancer treatment in 1951. Although she didn’t live to see it, her cells - now known as HeLa cells - were used in invaluable medical research and countless scientific discoveries, including the polio vaccine and in-vitro fertilization.

Image: Mufid Majnun

Although his name is not widely known, Maurice Hilleman - an American microbiologist - is credited with saving millions of lives through his development of over 40 vaccines, including those for measles, mumps, rubella, and hepatitis B. His pioneering work in vaccine research and development has had a profound impact on public health worldwide, significantly reducing the prevalence of deadly infectious diseases, and helping save as many as eight million lives each year.

Image: LuAnn Hunt

James Harrison, an Australian blood donor known as the "Man with the Golden Arm," has saved an estimated 2.5 million lives through his blood plasma donations. Harrison's blood contains a unique antibody that is used to develop Anti-D immunoglobulin, a lifesaving treatment for Rhesus disease, a condition that can cause severe complications in newborns. An Australian national hero, he made a total of 1,173 donations before reaching age 81 - the oldest you are allowed to donate blood under Australian policies.

Image: Viktor Hesse

Alexei Ananenko, Valeri Bespalov, and Boris Baranov, three Soviet engineers, risked their lives to prevent a catastrophic nuclear meltdown during the Chernobyl disaster in 1986. Despite the immense danger posed by lethal radiation levels, they volunteered to enter the flooded basement of the damaged reactor and manually open the valves to drain water, preventing a second explosion that could have had catastrophic consequences for Europe and beyond.

Image: Gab Pili

Saving the entire planet from arguably one of the largest environmental catastrophes of history, American geochemist Clair Cameron Patterson, dedicated his life to raising awareness about the dangers of lead pollution and advocating for environmental regulations to protect public health. His research on lead contamination in the environment led to the removal of lead from gasoline and other consumer products, resulting in significant improvements in air and water quality and preventing countless cases of lead poisoning.

Image: Anastasia Nelen

Joseph Lister is widely known as the father of antiseptics, but the extent to which his work helped revolutionize surgical practices and save lives cannot be overstated. Lister is responsible for introducing the first antiseptic surgical techniques in the 19th century. By simply promoting the use of carbolic acid as a disinfectant on surgical tools and hands during surgery, he dramatically reduced the risk of postoperative infections and mortality rates, laying the foundation of modern infection control measures.

Image: J V

During the height of the Cuban Missile Crisis in 1962, a Soviet naval officer called Vasili Arkhipov, found himself facing a pivotal moment that could well determine the fate of the entire world. Arkhipov was aboard the Soviet B-59 submarine discovered by American naval vessels in the waters near Cuba. Pressured by his superiors to use nuclear torpedoes against the US Navy, he refused to comply with the order, single-handedly preventing a nuclear war.

Image: Vincent van Zalinge

Rachel Carson, an American marine biologist and conservationist, was the first to sound the alarm about the dangers of pesticide use and its impact on the environment and human health. In her 1962 book "Silent Spring," Carson meticulously documented the harmful effects of pesticides, particularly DDT, on wildlife populations and ecosystems. Her groundbreaking research sparked a global environmental movement that helped save hundreds of species from almost certain extinction, including bald eagles.