Definition of phaeophytin in English:

phaeophytin

(also pheophytin)

noun ˌfiːə(ʊ)ˈfʌɪtɪn

Biochemistry

A brownish or grey-green compound formed by the degradation of chlorophyll (e.g. by weak acid or by enzymes), the magnesium atom being replaced by two hydrogen atoms; (more fully "phaeophytin a", "phaeophytin b") either of two forms of this, derived from chlorophyll a and chlorophyll b respectively.

Origin

Early 20th century; earliest use found in Journal of the Chemical Society. From German Phaeophytin from ancient Greek ϕαιός grey + ϕυτόν plant + German -in.

Definition of phaeophytin in US English:

phaeophytin

(also pheophytin)

nounˌfiːə(ʊ)ˈfʌɪtɪn

Biochemistry

A brownish or grey-green compound formed by the degradation of chlorophyll (e.g. by weak acid or by enzymes), the magnesium atom being replaced by two hydrogen atoms; (more fully "phaeophytin a", "phaeophytin b") either of two forms of this, derived from chlorophyll a and chlorophyll b respectively.

Origin

Early 20th century; earliest use found in Journal of the Chemical Society. From German Phaeophytin from ancient Greek ϕαιός grey + ϕυτόν plant + German -in.

单词	phaeophytin
释义	Definition of phaeophytin in English: phaeophytin (also pheophytin) noun ˌfiːə(ʊ)ˈfʌɪtɪn Biochemistry A brownish or grey-green compound formed by the degradation of chlorophyll (e.g. by weak acid or by enzymes), the magnesium atom being replaced by two hydrogen atoms; (more fully "phaeophytin a", "phaeophytin b") either of two forms of this, derived from chlorophyll a and chlorophyll b respectively. Origin Early 20th century; earliest use found in Journal of the Chemical Society. From German Phaeophytin from ancient Greek ϕαιός grey + ϕυτόν plant + German -in. Definition of phaeophytin in US English: phaeophytin (also pheophytin) nounˌfiːə(ʊ)ˈfʌɪtɪn Biochemistry A brownish or grey-green compound formed by the degradation of chlorophyll (e.g. by weak acid or by enzymes), the magnesium atom being replaced by two hydrogen atoms; (more fully "phaeophytin a", "phaeophytin b") either of two forms of this, derived from chlorophyll a and chlorophyll b respectively. Origin Early 20th century; earliest use found in Journal of the Chemical Society. From German Phaeophytin from ancient Greek ϕαιός grey + ϕυτόν plant + German -in.
随便看	overwrite overwriting overwriting overwriting overwritten overwrote overwrought overwroughtness overyear over-year over-yeared overzeal over-zealed overzealous overzealously overzealousness over–ripeness ovi- oviary Ovibos ovibovine ovicaprid ovicaprine ovicell ovicellular