optimum
/ˈɒptɪməm/ (bre, ipa) · /ˈɑːptɪməm/ (ame, ipa) · /ˈäp-tə-məm/ (ame, mw)
optimum — adjective
1. providing the strongest result available for a particular aim or set of conditio
providing the strongest result available for a particular aim or set of conditions
This shelf height is optimum for children washing their hands.
pattern: optimum for + noun/gerund
By dawn, the field had optimum conditions for planting rice.
collocation: optimum conditions
Doctors set an optimum level of pain medicine for Mia.
The dough reached an optimum temperature before the baker shaped the rolls.
This tire pressure is optimum for driving on wet mountain roads.
- suboptimal
means below the best available level
- unsuitable
means not right for the purpose at all
- ineffective
focuses on failure to work rather than missing the best point
文法句型
optimum conditions
optimum level
optimum for + noun
用法筆記
Usually appears before nouns such as level, conditions, temperature, and speed. It is more common in formal, scientific, or technical writing than in everyday conversation, where best often sounds more natural.
常見錯誤
optimum — noun
1. the amount, level, or conditions that work best for a certain purpose
the amount, level, or conditions that work best for a certain purpose
The greenhouse humidity is now near the optimum for young tomato plants.
pattern: the optimum for + noun
After two hours, the soup reached its optimum and smelled rich.
collocation: reach its optimum
By noon, the room light was at an optimum for reading.
The team found the optimum by testing five bike-seat heights.
For babies, 21 degrees is often the optimum for sleep.
- peak
focuses on the highest point, which is not always the most useful one
- ideal point
can suggest a perfect target rather than a measured working level
- sweet spot
is informal and conversational
- maximum
means the greatest amount, not necessarily the most suitable amount
文法句型
reach its optimum
the optimum for + noun
at an optimum
用法筆記
Usually singular and often used with the or a possessive, especially in phrases like reach its optimum and near the optimum. In everyday English, people often say best level or best condition instead.