Detritusとは 意味・読み方・使い方

発音

• IPA: /dɪˈtɹaɪ.təs/
• 韻: -aɪtəs

名詞

detritus (usually uncountable, plural detritus or (rare, hypercorrect) detrita)

1. (countable, chiefly geology) Pieces of rock broken off by ice, glacier, or erosion.
2. (biology, ecology) Organic waste material from decomposing dead plants or animals.
   • 2009, Christian Wirth, Gerd Gleixner, Martin Heimann, Old-Growth Forests: Function, Fate and Value, Springer Science & Business Media, →ISBN, page 159:

     Woody detritus is an important component of forested ecosystems. It can reduce erosion and affects soil development, stores nutrients and water, provides a major source of energy and nutrients, and serves as a seedbed for plants and as a major habitat for decomposers and hetereotrophs.

3. (by extension) Any debris or fragments of disintegrated material.
   • 2001, Chip Kidd, The Cheese Monkeys:

     But of course: no clutter. No newspapers, no renegade scraps of domestic detritus, no rubber bands, paper clips, coupons, pens or pencils, notebooks, magazines. No knives. Where were the knives?

   • 2022 September 7, Tom Allett, “At the cutting edge of NR's track work”, in RAIL, number 965, page 39:

     The cutting head removes any chips out of the railhead and restores the required surface shape. The trains also clear up their own detritus as they travel. Neither milling chips nor grinding dust remain on the track.

4. Rock consisting of accumulated debris from decayed rocks, like sand, that often is joined by cement.

派生語

関連する語

Further reading

• detritus on Wikipedia.Wikipedia

語源 1

Perfect passive participle of dēterō.

Participle

dētrītus (feminine dētrīta, neuter dētrītum); first/second-declension participle

1. rubbed away, worn away, worn out, having been rubbed away
2. (figuratively) diminished in force, lessened, weakened, impaired, having been weakened
3. (figuratively) worn out, trite, hackneyed, having been worn out

語形変化

First/second-declension adjective.

語源 2

From dēterō +‎ -tus (forming action nouns).

名詞

dētrītus m (genitive dētrītūs); fourth declension

1. the act of rubbing away

語形変化

Fourth-declension noun.

派生した語

関連する語

• dēterō
• dētrīmentōsus
• dētrīmentum

参照

• “detritus”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “detritus”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• “detritus”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.