simultaneous

English

Etymology

From Medieval Latin simultaneus, from simultim (“at the same time, extended”), from Latin simul (“together, at the same time”); compare similar.

Pronunciation

• (UK) IPA^(key): /ˌsɪm.əlˈteɪ̯.ni.əs/, /ˌsɪm.əlˈteɪ̯.njəs/
• (US) IPA^(key): /ˌsaɪ̯.məlˈteɪ̯.ni.əs/, /ˌsaɪ̯.məlˈteɪ̯.njəs/

  • Audio (US):

    (file)

• Rhymes: -eɪniəs, -eɪnɪəs

Adjective

simultaneous (not comparable)

1. Happening at the same moment.
   • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, pages 3-4:

     As with the Lejeuneaceae, this pattern of massive speciation appears to be correlated with the Cretaceous explosion of the angiosperms and the simultaneous creation of a host of new microenvironments, differing in humidity, light intensity, texture, etc.

2. (mathematics, of a set of equations) To be solved for the same values of variables.

Antonyms

• (antonym(s) of “happening at the same moment”): sequential, asynchronous, metachronous

Derived terms

• simulcast
• simultaneity
• simultaneous death
• simultaneous equations
• simultaneous interpretation / simultaneous interpreting
• simultaneously

 

Translations

occurring at the same time

• Arabic: مُتَزَامِن (mutazāmin)
• Belarusian: адначасо́вы (adnačasóvy)
• Bulgarian: едновременен (bg) (ednovremenen)
• Catalan: simultani
• Chinese:

  Mandarin: 同時／同时 (zh) (tóngshí)

• Czech: současný (cs), souběžný (cs)
• Danish: samtidig
• Dutch: gelijktijdig (nl), simultaan (nl)
• Esperanto: samtempa
• Finnish: samanaikainen (fi)
• French: simultané (fr)
• Galician: simultáneo (gl)
• Georgian: თანადროული (tanadrouli), ერთდროული (ertdrouli), იმავდროული (imavdrouli), ერთჟამიერი (ertžamieri)
• German: gleichzeitig (de), simultan (de)
• Greek: ταυτόχρονος (el) (taftóchronos)
• Hungarian: egyidejű (hu), szimultán (hu)
• Indonesian: bersamaan (id)
• Italian: simultaneo (it), concomitante (it)
• Japanese: 同時の (ja) (どうじの, dōji no)
• Korean: 동시적인 (dongsijeogin)
• Malay: serentak (ms)
• Manx: coghleashagh
• Maori: tautokorua, tukutahi
• Norwegian: samtidig (no), samstundes
• Old English: samod
• Polish: równoczesny (pl), jednoczesny (pl)
• Portuguese: simultâneo (pt)
• Russian: одновре́ме́нный (ru) (odnovréménnyj), синхро́нный (ru) (sinxrónnyj)
• Scottish Gaelic: co-amail
• Serbo-Croatian:

  Cyrillic: си̏мулта̄н, исто̀времен, исто̀добан

  Roman: sȉmultān (sh), istòvremen (sh), istòdoban (sh)

• Spanish: simultáneo (es)
• Swedish: samtidig (sv)
• Tagalog: santaknain
• Ukrainian: одноча́сний (odnočásnyj)

mathematics

• Finnish: yhteinen (fi) (but see yhtälöryhmä)
• Malay: serentak (ms)​
• Manx: cofraueagh