IELTS Anvil

unmodified

CEFR: B2

Retained in an unaltered, pristine, or natural state without genetic or chemical alteration.

Synonyms

pristine
unaltered

Common Collocations

unmodified seeds
remain unmodified
unmodified structure

Example Sentence

Control group crop plots were planted with unmodified heirloom wheat seeds to establish a baseline.

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