maximum clarity or distinctness of an image rendered by an optical system | the relative prominence of a syllable or musical note (especially with regard to stress or pitch) |
maximum clarity or distinctness of an idea | (physics) force that produces strain on a physical body |
the concentration of attention or energy on something | (psychology) a state of mental or emotional strain or suspense |
a fixed reference point on the concave side of a conic section | difficulty that causes worry or emotional tension |
a point of convergence of light (or other radiation) or a point from which it diverges | special emphasis attached to something |
a central point or locus of an infection in an organism | |
special emphasis attached to something | |