a single thing, person, or group that is a constituent of a whole
a part of an organization, e.g. a military establishment, that has a specific function
a piece of apparatus or part of a device serving to perform one particular function
a determinate quantity, e.g. of length, time, heat or value, adopted as a standard of measurement
a single quantity regarded as a whole in calculation
the number occupying the position immediately to the left of the decimal point
the first and lowest natural number; one
the number occupying the position immediately to the left of the decimal point
(used before a noun) of or having a value of one
a single manufactured article
a group of buildings, a single building, or a distinct part of a building, usu with a specified purpose
the intensive care unit
a standard measure of the alcohol content of a drink, used esp as a way of monitoring alcohol intake and advising on recommended drinking levels
a measure of a drug, vaccine, etc that is needed for a particular effect
a quantity of blood for transfusion
two units of O negative
a distinct section of academic work, usu part of a larger course or module