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| e·ti·o·plast [ tee ə plàst ] (plural e·ti·o·plasts) |
noun |
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| Definition: |
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forerunner of plant chloroplast: a microscopic membranous sac with no pigment that occurs inside the cells of plants that are deprived of light. Etioplasts change into chloroplasts if they are exposed to light.
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| [<etiolated + -plast] |
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