Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
noun
Any cyclic biological or physiological pattern or activity.
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Any of three sinusoidal graphs, normally plotted by a computer, containing a person's birthdate as an origin, that are claimed to provide meaningful information about emotional levels, physical energy levels, and mental or psychic sensitivity.
Definition source: English Wiktionary via Wiktextract
Topics: pseudoscience
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *gweyh3-der. Ancient Greek βῐ́ος (bĭ́os) Ancient Greek βῐο- (bĭo-)der. English bio- Proto-Indo-European *ser-? Proto-Indo-European *srew- Proto-Indo-European *sru-dh-mo-s Proto-Hellenic *hruthmós Ancient Greek ῥῠθμός (rhŭthmós)bor. Latin rhythmusder. English rhythm English biorhythm First coined 1960, from bio- + rhythm.
Across languages
16 source translations are retained for this English entry.
