complement

補完するもの

他の物に足りないものを加え、全体をより良く、または完全にする物。

やさしい英語で： Something that adds what another thing needs, making the whole better or complete.

• The salad is a perfect complement.
• Her skills are a useful complement to ours.
• These illustrations provide an attractive complement to the text.

使い方： a complement to something (The sauce is a lovely complement to the fish.)

よく使う表現： perfect complement, complement to something, natural complement

補語

文の構造を完成させ、主語や目的語の内容などを説明する語や句。

やさしい英語で： A word or phrase that completes a sentence structure, often describing its subject or object.

• This verb needs a complement.
• In “She is happy”, “happy” is the subject complement.
• The teacher asked us to identify the complements.

よく使う表現： subject complement, object complement, verb complement

乗組員

船を運航するために必要な人数を満たす乗組員全体。

やさしい英語で： The full number of people needed to operate a ship.

• The ship carries its full complement.
• Our complement includes six officers.
• The vessel sailed with a complement of eighty sailors.

使い方： a complement of people (The vessel has a complement of forty sailors.)

類義語： crew

よく使う表現： full complement, crew complement, complement of sailors

余角

別の角と合わせると９０度になる角。

やさしい英語で： An angle that adds to another angle to make ninety degrees.

• Find the complement of this angle.
• These two angles are complements of each other.
• An angle of forty degrees has a complement of fifty degrees.

使い方： the complement of something (The complement of thirty degrees is sixty degrees.)

類義語： complementary angle

よく使う表現： complement of something, find the complement, angle and complement

補色

別の色と合わせると白い光や色味のない暗い色になる色。

やさしい英語で： A colour that combines with another to make white light or a neutral dark mixture.

• Orange is blue’s complement on this colour wheel.
• The artist mixed a colour with its complement.
• Adding its complement made the paint look darker and less bright.

使い方： the complement of something (This colour is the complement of that shade of blue.)

類義語： complementary colour

よく使う表現： colour complement, complement of something, exact complement

補集合

大きな集合の中で、特定の小さな集合に含まれない要素の集まり。

やさしい英語で： The members of a larger set that are not in a particular smaller set.

• Find the complement of set A.
• The complement contains all numbers outside the chosen set.
• Within the integers, the odd numbers are the complement of the even numbers.

使い方： the complement of a set (The complement of this set contains all the remaining elements.)

よく使う表現： complement of something, set complement, relative complement

補い合う、調和する

互いに必要なものを補い、相手や他の物とうまく合うこと。

やさしい英語で： To work well with someone or something because each provides what the other needs.

• These colours complement each other.
• The wine complemented the cheese beautifully.
• Her careful planning complements his creative ideas.

類義語： go well with, enhance

反対語： clash

よく使う表現： complement each other, complement something perfectly, complement a meal

補完する

足りないものを加えて、他の物を完全にすること。

やさしい英語で： To add something needed so that another thing becomes complete.

• These skills complement our team.
• The final painting complemented his collection.
• You can complement the course with extra reading.

使い方： complement something with something (She complemented her training with practical experience.)

類義語： complete, round out

よく使う表現： complement a team, complement something with something, complement a collection