(n): function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle
(n): lettuce with long dark-green leaves in a loosely packed elongated head
(n): leaves of any of various plants of Lactuca sativa
(n): an odorless very poisonous gas that is a product of incomplete combustion of carbon
(n): an oxide containing just one atom of oxygen in the molecule
(n): a hard ferromagnetic silver-white bivalent or trivalent metallic element; a trace element in plant and animal nutrition
(n): any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
(n): one who refuses to serve in the armed forces on grounds of conscience
(n): a person who dissents from some established policy
(n): a state in west central United States in the Rocky Mountains
(n): one of the 50 states of the United States
'cause, because