English Dictionary

obsolescence

IPA（発音記号）

/ˌɒb.səˈlɛ.səns/

名詞

不可算名詞 可算名詞

(uncountable) The state of being obsolete—no longer in use; gone into disuse; disused or neglected. / (countable) The process of becoming obsolete, outmoded or out of date.

日本語の意味

使われなくなっている状態、すなわち旧式で役立たずとなる状態 / 時代遅れになる過程、すなわち別の方法や新しいものに取って代わられる過程

The obsolescence of floppy disks was inevitable once USB storage became affordable.

フロッピーディスクの陳腐化は、USBストレージが手頃な価格になったことで避けられませんでした。

意味（1）

(uncountable) The state of being obsolete—no longer in use; gone into disuse; disused or neglected.

Apart from this feature the Trichoptera also differ from the typical Neuroptera in the relatively simple, mostly longitudinal neuration of the wings, the absence or obsolescence of the mandibles and the semi-haustellate nature of the rest of the mouth-parts.

意味（2）

(countable) The process of becoming obsolete, outmoded or out of date.

Shared obsolescences can be of some significance when connected with a functional replacement. If two languages replace an earlier word for 'nose' with some other term and also lose the traditional term, this double agreement is of significance for judging the existence of a common historical period.

obsolescences （ plural ）