n. the blood group whose red cells carry the A antigen

n. signal received by the CPU that stops the process, normally when an i/o is required

n. a light or nimble tread; "he heard the trip of women's feet overhead"

n. a journey for some purpose (usually including the return); "he took a trip to the shopping center"

n. a hallucinatory experience induced by drugs; "an acid trip"

n. an accidental misstep threatening (or causing) a fall; "he blamed his slip on the ice"; "the jolt caused many slips and a few spills"

n. the basic unit of electric current adopted under the Systeme International d'Unites; "a typical household circuit carries 15 to 50 amps"

n. a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation

n. any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes

n. some abrupt occurrence that interrupts an ongoing activity; "the telephone is an annoying interruption"; "there was a break in the action when a player was hurt"

n. an unintentional but embarrassing blunder

v. tripping can be done with the stick, knee, foot, arm, hand or elbow

v. destroy the peace or tranquility of; "Don't interrupt me when I'm reading"

v. interfere in someone else's activity; "Please don't interrupt me while I'm on the phone"

v. miss a step and fall or nearly fall; "She stumbled over the tree root"

v. terminate; "She interrupted her pregnancy"; "break a lucky streak"; "break the cycle of poverty"

v. make a break in; "We interrupt the program for the following messages"

v. cause to stumble; "The questions on the test tripped him up"

v. get high, stoned, or drugged; "He trips every weekend"

v. make a trip for pleasure

v. put in motion or move to act; "trigger a reaction"; "actuate the circuits"

n. an ocean trip taken for pleasure

n. a stopping; "a cessation of the thunder"

n. event whose occurrence ends something; "his death marked the ending of an era"; "when these final episodes are broadcast it will be the finish of the show"

v. cause to feel embarrassment; "The constant attention of the young man confused her"

v. cause annoyance in; disturb, especially by minor irritations; "Mosquitoes buzzing in my ear really bothers me"; "It irritates me that she never closes the door after she leaves"

v. make more complicated; "There was a new development that complicated the matter"

v. disturb in mind or make uneasy or cause to be worried or alarmed; "She was rather perturbed by the news that her father was seriously ill"

v. disturb the composure of

v. get involved, so as to alter or hinder an action, or through force or threat of force; "Why did the U.S. not intervene earlier in WW II?"

v. place into check; "He checked my kings"

v. attempt to forecast the winner (especially in a horse race) and assign odds for or against a contestant

v. enter unlawfully on someone's property; "Don't trespass on my land!"

v. advance beyond the usual limit

v. intrude in other people's affairs or business; interfere unwantedly; "Don't meddle in my affairs!"

v. grant relief or an exemption from a rule or requirement to; "She exempted me from the exam"

v. walk impeded by some physical limitation or injury; "The old woman hobbles down to the store every day"

v. walk as if unable to control one's movements; "The drunken man staggered into the room"

v. walk with great difficulty; "He staggered along in the heavy snow"

v. move downward and lower, but not necessarily all the way; "The temperature is going down"; "The barometer is falling"; "The curtain fell on the diva"; "Her hand went up and then fell again"

v. cause to topple or tumble by pushing

v. speak haltingly; "The speaker faltered when he saw his opponent enter the room"

v. utter with a spitting sound, as if in a rage

v. jump lightly

v. bring to an end or halt; "She ended their friendship when she found out that he had once been convicted of a crime"; "The attack on Poland terminated the relatively peaceful period after WW I"

v. decide by reasoning; draw or come to a conclusion; "We reasoned that it was cheaper to rent than to buy a house"

v. make inoperative or stop; "suspend payments on the loan"

v. cause to be held in suspension in a fluid; "suspend the particles"

v. to move or force, especially in an effort to get something open; "The burglar jimmied the lock", "Raccoons managed to pry the lid off the garbage pail"

v. crack; of the male voice in puberty; "his voice is breaking--he should no longer sing in the choir"

v. make submissive, obedient, or useful; "The horse was tough to break"; "I broke in the new intern"

v. lessen in force or effect; "soften a shock"; "break a fall"

v. stop operating or functioning; "The engine finally went"; "The car died on the road"; "The bus we travelled in broke down on the way to town"; "The coffee maker broke"; "The engine failed on the way to town"; "her eyesight went after the accident"

v. provide physical relief, as from pain; "This pill will relieve your headaches"

v. make or leave a mark on; "the scouts marked the trail"; "ash marked the believers' foreheads"

v. substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected); "He replaced the old razor blade"; "We need to replace the secretary that left a month ago"; "the insurance will replace the lost income"; "This antique vase can never be replaced"

v. support and strengthen; "bolster morale"

v. bring disorder to

v. tamper with; "Don't touch my CDs!"

v. wander from a direct course or at random; "The child strayed from the path and her parents lost sight of her"; "don't drift from the set course"

v. cause to come or go down; "The policeman downed the heavily armed suspect"; "The mugger knocked down the old lady after she refused to hand over her wallet"

v. run easily

v. cause to be alert and energetic; "Coffee and tea stimulate me"; "This herbal infusion doesn't stimulate"

v. bring into existence; "The new manager generated a lot of problems"; "The computer bug generated chaos in the office"

v. bring into being; "He initiated a new program"; "Start a foundation"

v. give an incentive for action; "This moved me to sacrifice my career"

v. call forth (emotions, feelings, and responses); "arouse pity"; "raise a smile"; "evoke sympathy"

v. try to stir up public opinion

v. heighten or intensify; "These paintings exalt the imagination"

v. shape or influence; give direction to; "experience often determines ability"; "mold public opinion"

v. supply the inspiration for; "The article about the artist inspired the exhibition of his recent work"

v. cause to occur rapidly; "the infection precipitated a high fever and allergic reactions"

v. bring about abruptly; "The crisis precipitated by Russia's revolution"

v. cause to move forward with force; "Steam propels this ship"

v. call to arms; of military personnel

v. summon into action or bring into existence, often as if by magic; "raise the specter of unemployment"; "he conjured wild birds in the air"; "call down the spirits from the mountain"

v. cause to feel resentment or indignation; "Her tactless remark offended me"

v. stir the feelings, emotions, or peace of; "These stories shook the community"; "the civil war shook the country"

v. cease, stop; "cut the noise"; "We had to cut short the conversation"

v. put into a certain state; cause to be in a certain state; "set the house afire"

n. the occurrence of a uniting of separate parts; "lightning produced an unusual union of the metals"

v. walk with long steps; "He strode confidently across the hall"

v. walk fast, with regular or measured steps; walk with a stride; "He marched into the classroom and announced the exam"; "The soldiers marched across the border"