30 MINUTES

 Dictionary entry overview: What does 30 minutes mean? 

• 30 MINUTES (noun)
  The noun 30 MINUTES has 1 sense:

1. a half of an hour

  Familiarity information: 30 MINUTES used as a noun is very rare.

 Dictionary entry details 

• 30 MINUTES (noun)

Sense 1

Meaning:

A half of an hour

Classified under:

Nouns denoting time and temporal relations

Synonyms:

30 minutes; half-hour

Hypernyms ("30 minutes" is a kind of...):

time unit; unit of time (a unit for measuring time periods)

Holonyms ("30 minutes" is a part of...):

60 minutes; hour; hr (a period of time equal to 1/24th of a day)

 Context examples 

Immediately following this task, the patient must recall the words from the first list; then recall them again 30 minutes later.

(Alzheimer's Disease Neuroimaging Initiative Auditory Verbal Learning Test Questionnaire, NCI Thesaurus)

The scientists attempted to mimic the novelty-induced effect by turning on cells in the different brain regions 30 minutes after the training period.

(How novelty boosts memory retention, NIH)

A unit of time is equal to 0.5 hour or 30 minutes.

(Half Hour, NCI Thesaurus)

Introduction of a drug directly into venous circulation over the time duration of more than 30 minutes but less than 24 hours.

(Intravenous infusion, NCI Thesaurus)

The presence of cardiogenic shock (systolic BP less than 90 mm Hg) for greater than 30 minutes, not responsive to fluid resuscitation alone, and felt to be secondary to cardiac dysfunction.

(Killip Class IV, NCI Thesaurus/CDISC)

Among the results, participants in the whole-grain group lost approximately 100 more calories per day than refined-grain eaters—the equivalent of walking briskly for 30 minutes, notes Roberts.

(Whole Grains Deliver on Health Benefits, U.S. Department of Agriculture)

Furthermore, most allergic reactions to common food allergens, such as peanuts or crustacean shellfish, begin about 5 to 30 minutes after a person is exposed.

(NIAID scientists link cases of unexplained anaphylaxis to red meat allergy, National Institutes of Health)

The information tells a story of an explosive event that at its peak lasted approximately 30 minutes.

(Listen to the pulse of an erupting volcano, NSF)

Generally, moderate exercise is advised for 30 minutes a day most days of the week.

(Exercise May Help Seniors with Word, Memory Problems, The Titi Tudorancea Bulletin)

The plasma balls are zooming so fast through space it would take only 30 minutes for them to travel from Earth to the moon.

(Hubble Detects Giant 'Cannonballs' Shooting from Star, NASA)