| 释义 |
WordReference Random House Learner's Dictionary of American English © 2024chlo•ro•phyll or chlo•ro•phyl/ˈklɔrəfɪl/USA pronunciation n. [uncountable]- Biochemistrythe green substance in plant leaves that produces food by photosynthesis.
WordReference Random House Unabridged Dictionary of American English © 2024chlo•ro•phyll (klôr′ə fil, klōr′-),USA pronunciation n. [Bot., Biochem.]- Biochemistrythe green coloring matter of leaves and plants, essential to the production of carbohydrates by photosynthesis, and occurring in a bluish-black form, C55H72MgN4O5 (chlorophyll a,) and a dark-green form, C55H70MgN4O6 (chlorophyll b.)
Also, chlo′ro•phyl. - chloro-1 + -phyll 1810–20
Collins Concise English Dictionary © HarperCollins Publishers:: chlorophyll, US chlorophyl /ˈklɔːrəfɪl/ n - the green pigment of plants and photosynthetic algae and bacteria that traps the energy of sunlight for photosynthesis and exists in several forms, the most abundant being chlorophyll a (C55H72O5N4Mg): used as a colouring agent in medicines or food (E140)
ˈchloroˌphylloid adj ˌchloroˈphyllous adj |