Principal-focus
noun, Optics.
1.
focal point (def 1).
principal focus
noun
1.
another name for focal point
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- Principal-ideal
noun, Mathematics. 1. the smallest ideal containing a given element in a ring; an ideal in a ring with a multiplicative identity, obtained by multiplying each element of the ring by one specified element.
- Principal-ideal-domain
noun, Mathematics. 1. a commutative integral domain with multiplicative identity in which every ideal is principal.
- Principalities
[prin-suh-pal-i-tee] /ˌprɪn səˈpæl ɪ ti/ noun, plural principalities. 1. a state ruled by a prince, usually a relatively small state or a state that falls within a larger state such as an empire. 2. the position or authority of a prince or chief ruler; sovereignty; supreme power. 3. the rule of a prince of a […]
- Principality
[prin-suh-pal-i-tee] /ˌprɪn səˈpæl ɪ ti/ noun, plural principalities. 1. a state ruled by a prince, usually a relatively small state or a state that falls within a larger state such as an empire. 2. the position or authority of a prince or chief ruler; sovereignty; supreme power. 3. the rule of a prince of a […]
- Principally
adverb 1. chiefly; mainly. adverb 1. mainly or most importantly