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phytochrome

noun

phytochrome is spelled P-H-Y-T-O-C-H-R-O-M-E: 11 letters. It appears about once in every 37 million words in written English, the 187,122nd most frequent word form (wordfreq, 2021 data). As a noun, phytochrome means “Any of a class of pigments that control most photomorphogenic responses in higher plants” (English Wiktionary, September 2026). The plural of phytochrome is phytochromes.

How many letters and syllables are in phytochrome?

Letters11: P-H-Y-T-O-C-H-R-O-M-E
In writingabout once in every 37 million words; the 187,122nd most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is phytochrome?

Phytochrome appears about once in every 37 million words in written English, the 187,122nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

Forms of phytochrome

  • phytochromes plural

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What does phytochrome mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    Any of a class of pigments that control most photomorphogenic responses in higher plants

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

Where does phytochrome come from?

From phyto- + -chrome.

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after phytochrome