Word
micrograms
Phoneticsmi·cro·grams, stress on the first syllable
US/ˈmaɪkɹoʊˌɡɹæmz/
UK/mˈaɪkɹəʊɡɹˌæmz/
Countable noun
Definition
n. a very tiny unit of weight, equal to one millionth of a gram. You see it on medicine and vitamin labels for very small amounts.
n. one-millionth of a gram (10^-6 g), used for measuring very small masses such as drug doses, vitamins, and trace chemicals.
Examples
“The pill contains 25 micrograms of vitamin D.”
“The label says each serving provides 150 micrograms of iodine for thyroid health.”
“Laboratory scales calibrated to micrograms allow researchers to weigh trace compounds with precision unattainable on standard balances.”
Examples
simple
“The pill contains 25 micrograms of vitamin D.”
contextual
“The label says each serving provides 150 micrograms of iodine for thyroid health.”
complex
“Laboratory scales calibrated to micrograms allow researchers to weigh trace compounds with precision unattainable on standard balances.”
Collocations
Common phrases and expressions where native English speakers use the word “micrograms” in context.
Verb
01. administer micrograms
“Paramedics must carefully administer micrograms of adrenaline in emergencies.”
verb + noun
02. contain micrograms
“This supplement contains 25 micrograms of vitamin D per tablet.”
verb + noun
03. express in micrograms
“Folate requirements are usually expressed in micrograms on nutrition labels.”
verb + prep + noun
04. measure in micrograms
“These potent hormones are measured in micrograms, not milligrams.”
verb + prep + noun
Adjective
05. additional micrograms
“The doctor added additional micrograms to her daily thyroid dose after the blood test.”
adj + noun
06. daily micrograms
“Most adults need only tiny daily micrograms of vitamin B12 to stay healthy.”
adj + noun
07. mere micrograms
“The lab detected mere micrograms of the toxin, yet it was enough to cause harm.”
adj + noun
Noun
08. micrograms of vitamin
“The cereal provides 120 micrograms of vitamin A in each serving.”
noun + prep + noun
09. micrograms per day
“The recommended intake is 150 micrograms per day for adults.”
noun + prep + noun
10. micrograms per dose
“The label states 50 micrograms per dose for children under twelve.”
noun + prep + noun
11. contain only a few micrograms
“Each tablet contains only a few micrograms of the active ingredient.”
12. measured in micrograms per litre
“Lead levels in blood are measured in micrograms per litre.”
Real-World Examples
“That analysis found PM2.5 concentrations inside the zone were about 1.3 to 1.4 micrograms per cubic meter, or roughly 13 percent, lower than would be expected based on trends at sites outside it.” “When toxin levels exceed federal safety thresholds—20 micrograms of domoic acid per gram of tissue—regulatory agencies must implement immediate harvesting bans to prevent amnesic shellfish poisoning in humans.” “The scans successfully detected ink containing as little as 25 micrograms of lead per square centimeter using both X-ray CT and X-ray fluorescence.” “Ink with a lead concentration as low as 25 micrograms per square centimeter was easily detected by both X-ray CT and X-ray fluorescence.” Related words
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
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QR code
englishreference.com/q/micrograms