合成|ごうせいgousei[0]heiban (flat)

1. suru verb, transitive verb, no-adjectivecomposition; synthesis; compounding; combining
2. nouncomposite photo
3. noun, math(function) composition

• Synonym組み合わせるくみあわせるNeutralA verb for combining or pairing things up; it stresses putting items together in a combination, while 「合成」 stresses fusing them into one new whole.
• Synonym合わすあわすCasualA colloquial form of 「合わせる」 meaning to make things match or join; casual in tone. Unlike 「合成」, it does not imply forming a new whole.
• Synonym構成こうせいNeutralA noun for makeup or structure; it focuses on how parts are arranged into a whole, not on the act of synthesizing something new.
• Synonym合同ごうどうNeutralA noun for joint action by several parties, as in 「合同練習」; it stresses doing something together, not merging into one new thing.
• Synonym複合ふくごうWrittenA written-style noun for composite or hybrid things, as in 「複合施設」; it stresses several elements coexisting in one, not synthesis.
• Synonym結合けつごうWrittenA written-style noun for joining or bonding, as in chemical 「結合」; its focus is the link between parts, while 「合成」 focuses on producing a new whole.
• Synonym合体がったいNeutralA noun for two or more things merging into a single body, like robots combining; it stresses physical union into one.
• Synonym組成そせいWrittenA written-style noun for the composition of a substance, mainly its chemical makeup; scientific in flavor.
• Synonym化合かごうWrittenA written-style noun for chemical combination, as in 「化合物」; strictly a chemistry term for elements forming a new compound.
• Synonym合すがっすCasualThe same verb written 「合す」; also colloquial, meaning to join or fit things together. Like 「合わす」, it need not imply making something new, as 「合成」 does.
• Synonym組み合わすくみあわすNeutralA verb meaning to combine or put things together, also used for drawing opponents against each other in a match; synonymous with 「組み合わせる」.
• Synonym合するがっするWrittenA written-style verb for joining or combining things; rarely used in modern Japanese.
• Related結びつけるむすびつけるNeutralA verb for tying things together or linking them; it stresses connection and association rather than fusing parts into a new whole.
• Related混ぜるまぜるNeutralA verb for stirring or mixing, as in 「材料を混ぜる」; it stresses blending things evenly, not creating a new substance.
• Related混合こんごうNeutralA noun for mixing, as in 「混合物」; it stresses things being blended together without forming a new substance.
• Related混ぜ合わすまぜあわすNeutralA verb for mixing several things together evenly; rather rare. 「合成」 means forming a new whole, not merely mixing.
• Related混成こんせいWrittenA written-style noun for mixed formation, as in 「混成チーム」; it stresses members of different types being combined into one unit.
• Related配合はいごうWrittenA written-style noun for blending or formulating, as in 「色の配合」; it stresses the proportions and balance of ingredients.
• Related合わさるあわさるNeutralAn intransitive verb for things coming or fitting together naturally; it describes the joining itself, not making something new.
• Related調合ちょうごうWrittenA written-style noun for blending or compounding medicines, spices or perfumes, as in 「薬の調合」; it follows a set standard or recipe.
• Related合わせるあわせるNeutralThe everyday verb for matching or joining things; the most common choice in daily speech, but it does not imply a new synthesized whole.
• Related組み立てくみたてNeutralA noun for assembling parts or construction; it stresses putting pieces together, not synthesizing a new substance.
• Related合併がっぺいWrittenA written-style noun for mergers of companies or municipalities, as in 「企業合併」; use it for organizations joining into one.
• Related結び合わせるむすびあわせるWrittenA written-style verb for tying things together or linking them; it stresses connection rather than synthesis.
• Antonym分解ぶんかいWrittenAn antonym: breaking a whole into parts or decomposing it, the reverse of 「合成」.
• Antonym分析ぶんせきWrittenAn antonym: analysis, breaking something down to examine it, opposed to the synthesizing sense of 「合成」.

Use 「合成」 for chemical synthesis or combining images and sound, as in 「合成写真」「合成樹脂」. For pairing or combining items choose 「組み合わせる」; for stirring and mixing, 「混ぜる」 or 「混合」; for chemical combination, 「化合」; for mergers of companies or towns, 「合併」. The opposite process is 「分解」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 複数ふくすうのものを合あわせて一ひとつにすること。
2. 複数ふくすうの元素げんそや化合物かごうぶつから別べつの化合物かごうぶつを作つくること。
3. 複数ふくすうのベクトルを加え合くわえあわせて一ひとつのベクトルを得えること。