Standard Lemma guide
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noun
A hypothetical substance supposed to be the active agent in fertilization, having two side chains, one reacting with the sperm, the other with the ovum.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From fertilize + -in.
Across languages
1 source translations are retained for this English entry.
