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Word of the Day

Learn a new word every day! The Dictionary.com team of language experts carefully selects each Word of the Day to add some panache to your vocabulary.


orthoepy

[awr-thoh-uh-pee]

noun

the study of correct pronunciation

Explanation

Orthoepy is the study of how words should be pronounced — a subject close to the heart of language lovers and sticklers alike. The term covers everything from stress patterns to regional variants, making it a useful tool for anyone who cares about how words sound.

Example

Her interest in orthoepy began after realizing how often people mispronounce "mischievous."

homologous

[huh-mol-uh-guhs]

adjective

corresponding in characteristics

Explanation

When two things are homologous, they share key traits like structure, function, or origin. This Greek-derived word often shows up in biology, where it describes similarities between species that hint at a common ancestry. But you can use homologous for any meaningful correspondence, from anatomy to ideas.

Example

Human arms and bird wings are homologous structures, suggesting a shared evolutionary origin.

mussitate

[muhs-i-teyt]

verb

to mutter or mumble

Explanation

To mussitate is to speak quietly or mumble. It's a rare and whispery verb, perfect for describing someone talking to themselves, mouthing words, or trailing off mid-thought. Mussitate catches the sound of speech just under the breath.

Example

When he became nervous, he would often mussitate without realizing it.

acculturation

[uh-kuhl-chuh-rey-shuhn]

noun

the process of sharing and learning about another culture

Explanation

Acculturation is the process of learning or exchanging cultural traits through contact with another group. This Americanism, first recorded in the 1800s, can describe how people navigate new customs and values while maintaining elements of their own. Acculturation at its best is a dynamic blend of influence and understanding.

Example

Studying abroad can lead to surprising acculturation as students navigate new social norms.

vector

[vek-ter]

noun

a quantity possessing both magnitude and direction

Explanation

A vector is a quantity that includes both magnitude and direction. Often represented by arrows, vectors plays a key role in fields like physics, engineering, and meteorology. When you need to know more than just how much, a vector also tells you where something is headed.

Example

The meteorologist determined the wind's vector, noting its speed and direction for the weather model.