1
use sth as a pigment
ochre 作名词时指赭石或赭色，通常不可数。
Early humans used ochre as a pigment for cave paintings.
早期人类用赭石作为绘制洞穴壁画的颜料。
赭色
先理解核心含义，再看它在真实句子里的用法。
赭色
a moderate yellow-orange to orange color
Early humans used ochre as a pigment for cave paintings.
早期人类用赭石作为绘制洞穴壁画的颜料。
含二氧化硅、铝和氧化铁的黏土矿物颜料。
A clay earth pigment containing silica, aluminum and ferric oxide.
一种偏暗的黄橙色。
A somewhat dark yellowish orange colour.
Trapezites属的各种棕色弄蝶。
Any of various brown-coloured hesperiid butterflies of the genus Trapezites.
The old barn was painted a soft ochre, which made it stand out among the green fields.
那座旧谷仓被刷成柔和的赭色，在绿色田野中格外显眼。
For the living room, I want a warm ochre rather than a bright yellow.
至于客厅，我想要温暖的赭色，而不是亮黄色。
The sunset filled the sky with ochre and pink.
日落把天空染满了赭色和粉色。
ochre 作名词时指赭石或赭色，通常不可数。
Early humans used ochre as a pigment for cave paintings.
早期人类用赭石作为绘制洞穴壁画的颜料。
作形容词时意为“赭色的”，通常直接放在名词前作定语。
The ochre cliffs rose sharply above the blue sea.
赭色的悬崖在蓝色大海上方陡峭耸立。
作动词时是及物动词，意为“用赭石给……染色”，过去式和过去分词均为 ochred。
The tribe ochred the bones before burial.
这个部落在下葬前用赭石给骨头染色。
Not this
The walls were painted in an ochre.
Use this
The walls were painted in ochre.
表示颜色的 ochre 是不可数名词，不能用不定冠词 an；直接用 in ochre 即可，也可说 in an ochre color。
Not this
She chose an ochre color scarf.
Use this
She chose an ochre scarf.
ochre 可直接作形容词表示“赭色的”，修饰名词时不必再加 color；'ochre color scarf' 是冗余且不自然的说法。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
红赭石
The cave paintings were made with red ochre.
这些洞穴壁画是用红赭石画的。
黄赭石
Yellow ochre gives a warm tone to the paint.
黄赭石为这种颜料增添了暖色调。
赭石颜料
Ochre pigment has been used since prehistoric times.
赭石颜料自史前时代就被使用。
赭色涂料
They applied a layer of ochre paint to the facade.
他们在正面涂了一层赭色涂料。
赭色的墙壁
The ochre walls of the old town are very distinctive.
老城赭色的墙壁非常有特色。
赭色黏土
The soil here is rich in ochre clay.
这里的土壤富含赭色黏土。
Use ochre naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
读作“欧可”，联想到土黄色的赭石颜料；看到 ochre 就想起赭石色的泥土。
语域：neutral 常见场景：describing colors、art and painting materials、geology and minerals、design and interiors 该词表示赭色或赭石颜料时通常为中性词，日常描述颜色以及艺术、地质等专业场合都比较常见；没有明显的口语或书面倾向。比较常见于绘画、美术和矿物讨论中。
ochre /ˈəukə/ rhymes with broker, poker and mediocre (stressed /əu/ + /kə/). The final -chre is pronounced /kə/, as in euchre; beware lookalikes acre /ˈeikə/, lucre /ˈluːkə/ and euchre /ˈjuːkə/, which do not rhyme with ochre.
Dictionary facts from ECDICT, WIKTIONARY.