4-Letter Words Containing: CI

• a large and densely populated urban area; may include several independent administrative districts

• an incorporated administrative district established by state charter

• people living in a large densely populated municipality

• the concentration of attention or energy on something

• maximum clarity or distinctness of an image rendered by an optical system

• maximum clarity or distinctness of an idea

• a central point or locus of an infection in an organism

• special emphasis attached to something

• a point of convergence of light (or other radiation) or a point from which it diverges

• a fixed reference point on the concave side of a conic section

• direct one's attention on something

• cause to converge on or toward a central point

• bring into focus or alignment; to converge or cause to converge; of ideas or emotions

• become focussed or come into focus

• put (an image) into focus

• Any alga of the genus Fucus.

• any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

• street name for lysergic acid diethylamide

• harsh or corrosive in tone

• being sour to the taste

• having the characteristics of an acid

• Cigarette

• an acknowledgment that can be used to say hello or goodbye (aloha is Hawaiian and ciao is Italian)

• a short note recognizing a source of information or of a quoted passage

• make reference to

• commend

• refer to

• repeat a passage from

• refer to for illustration or proof

• advance evidence for

• call in an official matter, such as to attend court

• Cinefilm

• Images of the heart taken by fluoroscopy.

• the scene of any event or action (especially the place of a meeting)

• the specific site of a particular gene on its chromosome

• the set of all points or lines that satisfy or are determined by specific conditions