In a biconical manner; in a way that is shaped like or relates to a bicone.
Adverbial form of biconical, created by adding the standard English adverb suffix -ly to the adjective.
This word is so technical that it's barely used outside of specialized scientific writing, but it shows how English can build almost any word needed—combine 'two,' 'cone,' and 'in this manner' and you have a word.
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