concentrateとは

意味・読み方・使い方

発音

• (英国発音) IPA^(key): /ˈkɒn.sən.tɹeɪt/
• (米国発音) IPA^(key): /ˈkɑn.sən.tɹeɪt/

動詞

concentrate (三人称単数 現在形 concentrates, 現在分詞 concentrating, 過去形および過去分詞形 concentrated)

1. (transitive, intransitive) To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force.

   to concentrate rays of light into a focus

   to concentrate the attention

2. To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense.

   Antonym: dilute

   to concentrate acid by evaporation

   to concentrate by washing

3. To approach or meet in a common center; to consolidate.

   Population tends to concentrate in cities.

   • 2006, Edwin Black, chapter 2, in Internal Combustion‎^[1]:

     Buried within the Mediterranean littoral are some seventy to ninety million tons of slag from ancient smelting, about a third of it concentrated in Iberia. This ceaseless industrial fueling caused the deforestation of an estimated fifty to seventy million acres of woodlands.

4. (intransitive) To focus one's thought or attention (on).

   Let me concentrate!

   • 1962 October, Brian Haresnape, “Focus on B.R. passenger stations”, in Modern Railways, page 252:

     The Group has recently concentrated on two main objectives, the implementation of a Code of Practice on minor station improvements and the preparation of a stock list of approved items of equipment for railway stations.

派生語

• concentrated

名詞

concentrate (複数形 concentrates)

1. A substance that is in a condensed form.