the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen
a person or thing equal to another in value or measure or force or effect or significance etc; "send two dollars or the equivalent in stamps"
being essentially equal to something; "it was as good as gold"; "a wish that was equivalent to a command"; "his statement was tantamount to an admission of guilt"
an officer holding a commissioned rank in the United States Navy or the United States Coast Guard; below lieutenant commander and above lieutenant junior grade
commanding attention; "an arresting drawing of people turning into animals"; "a sensational concert--one never to be forgotten"; "a stunning performance"
the defensive football players who line up behind the linemen
belonging to a lower class or rank
not of major importance; "played a secondary role in world events"
being of second rank or importance or value; not direct or immediate; "the stone will be hauled to a secondary crusher"; "a secondary source"; "a secondary issue"; "secondary streams"
depending on or incidental to what is original or primary; "a secondary infection"