decigram
C1Technical / Scientific
Definition
Meaning
A metric unit of mass equal to one tenth of a gram.
A precise but seldom-used unit of measurement in the metric system, typically employed in scientific contexts requiring measurements finer than a gram but coarser than a centigram.
Linguistics
Semantic Notes
Highly specific term. Its use is almost entirely confined to contexts discussing precise metric measurements, such as chemistry, pharmacology, or nutritional science. It is not a common everyday unit.
Dialectal Variation
British vs American Usage
Differences
No significant lexical difference; the unit is identical in both systems. However, British English may be slightly more likely to use the alternative spelling 'decigramme' (though 'decigram' is standard).
Connotations
Conveys precision and scientific rigor. In everyday contexts in both regions, it would sound overly technical.
Frequency
Extremely low frequency in general language. Slightly higher frequency in academic/technical writing, but even there, '100 milligrams' is often preferred over '1 decigram'.
Vocabulary
Collocations
Grammar
Valency Patterns
[Noun] of [number] decigram(s)[Verb] [number] decigram(s) of [substance]weighing [number] decigram(s)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Usage
Context Usage
Business
Virtually never used.
Academic
Used in precise scientific writing, especially in chemistry, physics, or materials science lab reports.
Everyday
Extremely rare. A layperson would say 'a tenth of a gram' or '100 milligrams'.
Technical
The primary domain. Used in specifications, formulae, and detailed analytical procedures where the decigram is a convenient unit.
Examples
By Part of Speech
noun
British English
- The sample's impurity was found to be just under three decigrams.
- Older European recipes might occasionally list spices in decigrammes.
American English
- The new regulation limits the additive to two decigrams per serving.
- For this experiment, you will need precisely one decigram of the catalyst.
Examples
By CEFR Level
- A decigram is a very small unit of weight.
- There are ten decigrams in one gram.
- The chemist measured out exactly five decigrams of the powdered compound.
- Nutritional information for some supplements may be given in decigrams.
- The margin of error in the assay was calculated to be no greater than 0.2 decigrams.
- Historical apothecary weights were sometimes analogous to the modern decigram.
Learning
Memory Aids
Mnemonic
Think of a DECImal GRAM: 'deci-' means one-tenth, so a decigram is one-tenth of a gram.
Conceptual Metaphor
PRECISION IS SMALLNESS / MEASUREMENT IS QUANTIFICATION.
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Avoid direct calque thinking. Russian 'дециграмм' is identical, but its usage context is just as technical. Do not use it in casual conversation about food or shopping.
Common Mistakes
- Confusing 'decigram' (0.1g) with 'decagram' (10g) or 'centigram' (0.01g).
- Misspelling as 'desigram'.
- Using it instead of the more common 'milligram' or 'gram'.
Practice
Quiz
Which of the following is equivalent to one decigram?
FAQ
Frequently Asked Questions
No, it is a technical term. In most practical situations, people use 'milligrams' (mg) or 'grams' (g). '100 milligrams' is a more frequent way to express '1 decigram'.
The official metric symbol is 'dg'.
It would be highly unusual. Food nutrition uses grams and milligrams. Body weight uses kilograms and grams. Decigrams are too specific for these contexts.
A decigram (dg) is 0.1 grams. A centigram (cg) is 0.01 grams. So, 1 decigram = 10 centigrams.