half life vs period of time
period of time vs half lifehalf life and period of time both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| half life | Yes | No | No | No |
| period of time | Yes | No | No | No |
As nouns,
period of time is a hypernym of
half life; that is, period of time is a
word with a broader meaning than half life:
- half life: the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)
- period of time: an amount of time
Other hypernyms of half life include
period, time period.
| half life (noun) | period of time (noun) |
|---|---|
| the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate) | an amount of time |
Words related to "half life"
Words related to "period of time"
- Bronze Age
- Eolithic
- Eolithic Age
- Epipaleolithic
- Golden Age
- Great Schism
- Indian summer
- Iron Age
- Lower Paleolithic
- Mesolithic
- Mesolithic Age
- Middle Paleolithic
- Neolithic
- Neolithic Age
- New Stone Age
- Olympiad
- Palaeolithic
- Paleolithic
- Paleolithic Age
- Platonic year
- Saint Martin's summer
- Stone Age
- Upper Paleolithic
- Western Schism
- age
- air alert
- bimester
- bimillenary
- bimillennium
- bloom
- blossom
- bout
- bronze age
- calendar day
- calendar month
- calendar week
- canicular days
- canicule
- century
- civil day
- clotting time
- continuance
- dark
- dawn
- day
- daylight
- daytime
- decade
- decennary
- decennium
- dog days
- downtime
- drought
- drouth
- duration
- duty tour
- early days
- efflorescence
- elapsed time
- enlistment
- epoch
- era
- eve
- evening
- extra time
- festival
- field day
- flower
- flush
- forenoon
- fortnight
- fundamental measure
- fundamental quantity
- generation
- grace
- grace period
- great year
- half life
- half-century
- half-life
- hebdomad
- heyday
- hitch
- honeymoon
- hospitalization
- hour
- hours
- incubation period
- indiction
- iron age
- lactation
- lease
- life
- life-time
- lifespan
- lifetime
- long haul
- long run
- long time
- lunar time period
- lustrum
- mid-April
- mid-August
- mid-December
- mid-February
- mid-January
- mid-July
- mid-June
- mid-March
- mid-May
- mid-November
- mid-October
- mid-September
- midweek
- midwinter
- millenary
- millennium
- month
- morn
- mornight
- morning
- morning time
- multistage
- nap
- night
- nighttime
- noviciate
- novitiate
- occupation
- overtime
- past
- peacetime
- peak
- period
- phase
- phase of the moon
- prehistoric culture
- prehistory
- prime
- prohibition
- prohibition era
- puerperium
- quadrennium
- quarter
- quarter-century
- question time
- quinquennium
- rainy day
- real time
- regulation time
- reign
- run
- running time
- school
- school day
- schooltime
- season
- semester
- shelf life
- silly season
- silver age
- sleep
- stage
- study hall
- term
- term of a contract
- term of enlistment
- test period
- tide
- time
- time frame
- time limit
- time of life
- time of year
- time off
- time period
- times
- tour
- tour of duty
- travel time
- trial period
- trimester
- twelvemonth
- two weeks
- uptime
- usance
- wartime
- watch
- week
- weekend
- window
- work time
- year
- years
- youth
- yr
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