You know what it looks like… but what is it called?
TAKE THE QUIZ“pervalvar”
We have one entry that includes the term pervalvar.
pervalvar axis
noun: the longitudinal axis of the frustule of a diatom
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- Arachnophobia is the fear of what multi-legged creatures?
You can make only 12 words. Pick the best ones!
PLAYLove words? Need even more definitions?
Merriam-Webster unabridged