- metric grain
- a unit of mass sometimes used by jewelers, equal to 50 milligrams or 1/4 carat. This unit is often used for pearls and is sometimes called the pearl grain.
Dictionary of units of measurement. 2015.
metric grain
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metric grain — noun a weight unit used for pearls or diamonds: 50 mg or 1/4 carat • Syn: ↑grain • Hypernyms: ↑metric weight unit, ↑weight unit • Part Holonyms: ↑decigram, ↑dg • … Useful english dictionary
Grain (mass) — In many cultures, a grain is a unit of measurement of mass that is based upon the mass of a single seed of a typical cereal. Historically, in Europe, the average masses of wheat and barley grain were used to define units of mass. Since 1958, the… … Wikipedia
metric weight unit — noun a decimal unit of weight based on the gram • Syn: ↑weight unit • Hypernyms: ↑mass unit, ↑metric unit, ↑metric • Hyponyms: ↑microgram, ↑mcg, ↑ … Useful english dictionary
grain — grainer, n. grainless, adj. /grayn/, n. 1. a small, hard seed, esp. the seed of a food plant such as wheat, corn, rye, oats, rice, or millet. 2. the gathered seed of food plants, esp. of cereal plants. 3. such plants collectively. 4. any small,… … Universalium
grain — 1) grains may be used to indicate the optimal weight of line a fly rod will cast. Most modern rods will cast 400 grains easily. 1 ounce is 437.5 grains (or 28.35 grams). Note that one ounce equals 1.42 metric grains, a different measure 2) a tine … Dictionary of ichthyology
Gödel metric — The Gödel metric is an exact solution of the Einstein field equations in which the stress energy tensor contains two terms, the first representing the matter density of a homogeneous distribution of swirling dust particles, and the second… … Wikipedia
Basra poison grain disaster — The Basra poison grain disaster was a mass methylmercury poisoning incident that originated in September 1971 in the Iraqi port of Basra. A shipment of 90,000 metric tons of American barley and Mexican wheat that was intended as seed grain… … Wikipedia
troy grain — noun a unit of mass, equal to 1/24 of a pennyweight or 1/480 of a troy ounce, fixed at under the metric system … Wiktionary
weight unit — noun 1. a decimal unit of weight based on the gram • Syn: ↑metric weight unit • Hypernyms: ↑mass unit, ↑metric unit, ↑metric • Hyponyms: ↑microgram, ↑ … Useful english dictionary
dg — abbr. 1 Dei gratia. 2 Deo gratias. 3 director general. * * * noun 1/10 gram • Syn: ↑decigram • Hypernyms: ↑metric weight unit, ↑weight unit • Part Holonyms: ↑carat • Pa … Useful english dictionary
