Meaning & use
chlorophyll a
The most common form of chlorophyll, a green pigment essential for photosynthesis in plants, algae, and cyanobacteria.
See it in a sentence
Chlorophyll a absorbs sunlight and converts it into chemical energy inside the plant's chloroplasts.
Scientists measure chlorophyll a levels in lake water to estimate algae growth.
A note on using this word
Chlorophyll a is distinguished from chlorophyll b by a slightly different molecular structure and light-absorption pattern.
Words with a similar meaning
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