Definition of optimum
optimaplay \ˈäp-tə-mə\ also
1 : the amount or degree of something that is most favorable to some end The substances were mixed in various proportions until an optimum was reached.; especially : the most favorable condition for the growth and reproduction of an organism The soil condition for this crop is now at an optimum.
2 : greatest degree attained or attainable under implied or specified conditions This agricultural pest reaches its optimum farther south.
Examples of optimum in a Sentence
The substances were mixed in various proportions until an optimum was reached.
Recent Examples of optimum from the Web
The demo version of the PlayStation 3 and Xbox 360 game, presented at Tokyo Game Show on Sony’s console, is centered around introducing players to two of the game’s new combat systems: Optima and Driving.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'optimum'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of optimum
First Known Use: 1848See Words from the same year
OPTIMUM Defined for English Language Learners
Definition of optimum for English Language Learners
: the amount or degree of something that is best or most effective
OPTIMUM Defined for Kids
Definition of optimum for Students
: most desirable or satisfactory The shuttle is launched only under optimum conditions.
Medical Definition of optimum
1: the amount or degree of something that is most favorable to some end; especially : the most favorable condition for the growth and reproduction of an organism
2: greatest degree attained or attainable under implied or specified conditions
Seen and Heard
What made you want to look up optimum? Please tell us where you read or heard it (including the quote, if possible).