The blood group whose red cells carry the A antigen the 1st letter of the Roman alphabet the basic unit of electric current adopted under the Systeme International d'Unites; "a typical household circuit carries 15 to 50 amps" (biochemistry) purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) any of several fat-soluble vitamins essential for normal vision; prevents night blindness or inflammation or dryness of the eyes a metric unit of length equal to one ten billionth of a meter (or 0.0001 micron); used to specify wavelengths of electromagnetic radiation
Free from artificiality; "a lifelike pose"; "a natural reaction" being talented through inherited qualities; "a natural leader"; "a born musician"; "an innate talent" related by blood; not adopted; "natural parent" (used especially of commodities) being unprocessed or manufactured using only simple or minimal processes; "natural yogurt"; "natural produce"; "raw wool"; "raw sugar"; "bales of rude cotton" unthinking; prompted by (or as if by) instinct; "a cat's natural aversion to water"; "offering to help was as instinctive as breathing" (of a key) containing no sharps or flats; (of a note) being neither raised nor lowered by one chromatic semitone; "a natural scale"; "B natural" functioning or occurring in a normal way; lacking abnormalities or deficiencies; "it's the natural thing to happen"; "natural immunity"; "a grandparent's natural affection for a grandchild" existing in or in conformity with nature or the observable world; neither supernatural nor magical; "a perfectly natural explanation" existing in or produced by nature; not artificial or imitation; "a natural pearl"; "natural gas"; "natural silk"; "natural blonde hair"; "a natural sweetener"; "natural fertilizers" in accordance with nature; relating to or concerning nature; "a very natural development"; "our natural environment"; "natural science"; "natural resources"; "natural cliffs"; "natural phenomena" (craps) a first roll of 7 or 11 that immediately wins the stake a notation cancelling a previous sharp or flat someone regarded as certain to succeed; "he's a natural for the job"
A medicine or therapy that cures disease or relieve pain act of correcting an error or a fault or an evil provide relief for; "remedy his illness" set straight or right; "remedy these deficiencies"; "rectify the inequities in salaries"; "repair an oversight"
The branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
In the immediate past; "told me just now" without delay or hesitation; with no time intervening; "he answered immediately"; "found an answer straightaway"; "an official accused of dishonesty should be suspended forthwith"; "Come here now!" used to preface a command or reproof or request; "now hear this!"; "now pay attention" (prefatory or transitional) indicates a change of subject or activity; "Now the next problem is..." in the historical present; at this point in the narration of a series of past events; "President Kennedy now calls in the National Guard"; "Washington now decides to cross the Delaware"; "the ship is now listing to port" in these times; "it is solely by their language that the upper classes nowadays are distinguished"- Nancy Mitford; "we now rarely see horse-drawn vehicles on city streets"; "today almost every home has television" at the present moment; "goods now on sale"; "the now-aging dictator"; "they are now abroad"; "he is busy at present writing a new novel"; "it could happen any time now" the momentary present; "Now is a good time to do it"; "it worked up to right now"