either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
Do You Cringe At The Sound Of These Words?We've compiled a list of the most cringeworthy words in the English language to try and determine what makes these words so awkward (and hated). Brace yourself. Editor note: Sure to stir some debate among linguists, an online search has determined that moist usually wins this type of competition (so we're not going to include that one here because that's just too easy).
third eyeRead more in this article about some frequently asked questions and fun facts related to our definitions.
- prothonotary apostolic,
- prothonotary warbler,
- prothrombin accelerator,
- prothrombin test,
Origin of prothoracic gland
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019