magnitude

English

Etymology

From Latin magnitūdō (“greatness, size”); magni- + -itude

Pronunciation

• IPA: /mæɡnɪtjuːd/

Noun

magnitude (plural magnitudes)

1. The absolute or relative size, extent or importance of something.
2. (mathematics) A number, assigned to something, such that it may be compared to others numerically
3. (mathematics) Of a vector, the norm, most commonly, the two-norm.
4. (astronomy) The apparent brightness of a star (on a negative, logarithmic scale); apparent magnitude
5. (geology) A measure of the energy released by an earthquake (e.g. on the Richter scale).

See also

• order of magnitude

Translations

size etc

Armenian: մեծություն (hy) (meçut’yun), չափ (hy) (čap’) Chinese: Mandarin: 大小 (zh) (dàxiǎo) Estonian: suurus (et), ulatus (et), tähtsus (et) Finnish: koko (fi), laajuus (fi), merkitys (fi) Italian: vastità (it) f. Japanese: 大きさ (ōkisa) Polish: wielkość (pl) f.

Portuguese: grandeza (pt) f. Romanian: mărime (ro) f. Russian: величина (ru) f. Scottish Gaelic: meudachd (gd) f. Swedish: magnitud (sv) c. Tajik: бузургӣ (tg) Turkish: şiddet (tr), büyüklük (tr)

number

Armenian: մեծություն (hy) (meçut’yun) Estonian: suurus (et) Finnish: suuruus (fi) French: grandeur (fr) f.

Japanese: 大きさ (ja) (おおきさ, ōkisa) Portuguese: grandeza (pt) f. Romanian: mărime (ro) f. (numerică), cantitate (ro) f. Swedish: magnitud (sv) c., storlek (sv) c.

of a vector

Finnish: pituus (fi) Japanese: 大きさ (ōkisa), 絶対値 (zettaichi) Portuguese: grandeza (pt) f.

Romanian: mărime (ro) f. Swedish: magnitud (sv) c., längd (sv) c., norm (sv) c.

apparent brighness of a star

Estonian: tähesuurus (et), magnituud (et) Finnish: magnitudi, suuruusluokka, kirkkausaste Italian: magnitudine (it) f. Japanese: 等級 (tōkyū) Polish: wielkość gwiazdowa (pl) f.

Portuguese: grandeza (pt) f. Romanian: mărime stelară (ro) f., magnitudine (ro) f. Swedish: skenbar magnitud (sv) c. Turkish: kadir (tr)

energy of earthquake

Armenian: ուժգնություն (hy) (užgnut’yun) Bulgarian: магнитуд (bg) (magnitúd) m. Estonian: magnituud (et) Finnish: magnitudi (fi), voimakkuus (fi) Italian: magnitudo (it) f. Japanese: マグニチュード (magunichūdo)

Polish: magnituda (pl) f. Portuguese: grandeza (pt) f. Romanian: magnitudine (ro) f. (seismică), mărime (ro) f. Swedish: magnitud (sv) c. Turkish: şiddet (tr)