The L Of 20 Across

• a transparent optical device used to converge or diverge transmitted light and to form images

• genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils

• (metaphor) a channel through which something can be seen or understood

• biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina

• electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons

• an informal term for a father; probably derived from baby talk

• a sweet drink containing carbonated water and flavoring

• a sharp explosive sound as from a gunshot or drawing a cork

• music of general appeal to teenagers; a bland watered-down version of rock'n'roll with more rhythm and harmony and an emphasis on romantic love

• like a pop or with a pop

• (of music or art) new and of general appeal (especially among young people)

• bulge outward

• hit a pop-fly

• make a sharp explosive noise

• fire a weapon with a loud explosive noise

• cause to make a sharp explosive sound

• appear suddenly or unexpectedly; happen unexpectedly

• put or thrust suddenly and forcefully

• release suddenly

• hit or strike

• drink down entirely

• take drugs, especially orally

• cause to burst with a loud, explosive sound

• burst open with a sharp, explosive sound

• a game whose object is to form words from a group of randomly chosen letters