a volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleum; used mainly as a fuel in internal-combustion engines
an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
a hollow device made of metal that makes a ringing sound when struck
the flared opening of a tubular device
the sound of a bell being struck; "saved by the bell"; "she heard the distant toll of church bells"
United States inventor (born in Scotland) of the telephone (1847-1922)
English painter; sister of Virginia Woolf; prominent member of the Bloomsbury Group (1879-1961)
a phonetician and father of Alexander Graham Bell (1819-1905)
the shape of a bell
(nautical) each of the eight half-hour units of nautical time signaled by strokes of a ship's bell; eight bells signals 4:00, 8:00, or 12:00 o'clock, either a.m. or p.m.
(grammar) a word or phrase or clause forming part of a larger grammatical construction
a member of a constituency; a citizen who is represented in a government by officials for whom he or she votes; "needs continued support by constituents to be re-elected"
(usually plural) a necessary commodity for which demand is constant
a popular programming language that is relatively easy to learn; an acronym for beginner's all-purpose symbolic instruction code; no longer in general use
of or denoting or of the nature of or containing a base
serving as a base or starting point; "a basic course in Russian"; "basic training for raw recruits"; "a set of basic tools"; "an introductory art course"
pertaining to or constituting a base or basis; "a basic fact"; "the basic ingredients"; "basic changes in public opinion occur because of changes in priorities"
reduced to the simplest and most significant form possible without loss of generality; "a basic story line"; "a canonical syllable pattern"
a device that signals the occurrence of some undesirable event
an automatic signal (usually a sound) warning of danger
fear resulting from the awareness of danger
warn or arouse to a sense of danger or call to a state of preparedness; "The empty house alarmed him"; "We alerted the new neighbors to the high rate of burglaries"
the act of rotating as if on an axis; "the rotation of the dancer kept time with the music"
a planned recurrent sequence (of crops or personnel etc.); "crop rotation makes a balanced demand on the fertility of the soil"; "the manager had only four starting pitchers in his rotation"
a single complete turn (axial or orbital); "the plane made three rotations before it crashed"; "the revolution of the earth about the sun takes one year"
(mathematics) a transformation in which the coordinate axes are rotated by a fixed angle about the origin
an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system; "spare components for cars"; "a component or constituent element of a system"
an abstract part of something; "jealousy was a component of his character"; "two constituents of a musical composition are melody and harmony"; "the grammatical elements of a sentence"; "a key factor in her success"; "humor: an effective ingredient of a speech"
easy and not involved or complicated; "an elementary problem in statistics"; "elementary, my dear Watson"; "a simple game"; "found an uncomplicated solution to the problem"
of or being the essential or basic part; "an elementary need for love and nurturing"
the successful action of solving a problem; "the solution took three hours"
a method for solving a problem; "the easy solution is to look it up in the handbook"
a statement that solves a problem or explains how to solve the problem; "they were trying to find a peaceful solution"; "the answers were in the back of the book"; "he computed the result to four decimal places"
the set of values that give a true statement when substituted into an equation
a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution; "he used a solution of peroxide and water"
a sign placed in front of an expression to denote that a root is to be extracted
a character conveying the lexical meaning of a logogram
a person who has radical ideas or opinions
especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem; "basal placentation"; "radical leaves"
arising from or going to the root; "a radical flaw in the plan"
of or relating to or constituting a linguistic root; "a radical verb form"