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.
adj
Remaining.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: business, knitting, manufacturing, textiles
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
name
An Egyptian fish god who fertilized the land with his tears.
Definition source: English Wiktionary via Wiktextract
Usage: Egyptian
Topics: human-sciences, mysticism, mythology, philosophy, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Initialism of rapid eye movement.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, countable, initialism, uncountable
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Initialism of remaining time.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, initialism, uncountable
Topics: entertainment, lifestyle, music
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A remark (programming language statement used for documentation).
Definition source: English Wiktionary via Wiktextract
Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Initialism of rare earth metal.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, initialism
Topics: chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Abbreviation of reactive electrochemical membrane.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Initialism of Reference Exit Marker.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, initialism
Topics: diving, hobbies, lifestyle, sports, underwater-diving
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Initialism of rapid eye movement, a sleep state.
Definition source: English Wiktionary via Wiktextract
Usage: abbreviation, alt-of, capitalized, initialism, often
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A non-SI unit of measure for radiation dose, measured as equivalent dose, effective dose, or committed dose, from one roentgen of X-rays or gamma rays.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A remark; a programming language statement used for documentation (in BASIC for example); also used in DOS batch files.
Definition source: English Wiktionary via Wiktextract
Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A unit relative to the declared font size of the root element in an HTML document.
Definition source: English Wiktionary via Wiktextract
Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences, web-design
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A Remington firearm.
Definition source: English Wiktionary via Wiktextract
Usage: colloquial
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
(Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: radioactivity unit
noun
a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: paradoxical sleep, rapid eye movement sleep, REM sleep, rapid eye movement
Antonyms: none provided
Broader terms: sleep, slumber
History
Shortening of remaining.
From Egyptian rmj (“to weep”).
From the initial letters of rapid eye movement.
Clippings * (remaining time): Clipping of remaining. * (remark): Clipping of remark.
Abbreviation
Initialism.
Abbreviation of Roentgen equivalent in man.
Shortening of remark.
Blend of root + em.
Shortening.
