This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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• Wordscraper
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adj. Of, relating to, or being an injection: such that each element of the image (or range) is associated with at most one element of the preimage (or domain); inverse-deterministic.

"In 2004 scientists rebuilt bladder muscles using injective stem cells."

injectively   

injective map    injective sheaf    injective function    injective cogenerator    injective module   

one-to-one   

palynomorph    selenocysteine    whate    mindtrap    amino-acid