(organic chemistry, pharmacology) An organic compound with the chemical formula C₂H₃Cl₃O₂, used as a sedative and hypnotic drug and as a laboratory reagent and precursor.

A particular fungicide.

plural of chloasma

plural of chloracne

A chlorophyll (C₅₅H₇₀MgN₄O₆) used in the photosynthesis II oxygenic photosynthesis process in plants which absorbs a different range of light and is therefore useful for plants adapted to shade.

The universal chlorophyll (C₅₅H₇₂MgN₄O₅) essential to the dominant oxygenic photosynthesis I process, present in all eukaryotes, cyanobacteria, chromists, and prochlorophytes that photosynthesize, and that contributes to the observed green color of these organisms.

bleaching powder

plural of chlorine oxide

plural of chloragogen cell

an inorganic compound with the formula FeCl₃.