Synonym: answer, clear up, find out, learn, solve. Similar words: certain, certainly, for certain, uncertain, certainly not, uncertainty, entertainment, curtain. Meaning: [‚æsə'teɪn] 
v. 1. establish after a calculation, investigation, experiment, survey, or study 2. be careful or certain to do something; make certain of something 3. find out, learn, or determine with certainty, usually by making an inquiry or other effort 4. learn or discover with certainty.
v. 1. establish after a calculation, investigation, experiment, survey, or study 2. be careful or certain to do something; make certain of something 3. find out, learn, or determine with certainty, usually by making an inquiry or other effort 4. learn or discover with certainty. 
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(151) An oral glucose tolerance test was used to ascertain 2 - hr plasma glucose and fasting plasma glucose.
(152) CNDO/2 calculation is performed to ascertain the location of two inner protons in phthalocyanine.
(153) In a damage survey, surveyors' duties are to find the nature of damage, confirm the degree of damage and ascertain the cause of damage.
(154) Valuev was confidentially informing his circle that Uvarov had been sent from Petersburg to ascertain the state of opinion in Moscow in regard to Austerlitz.
(155) Through many experiments to ascertain optimal addition of beer and xylitol. The final product tastes more fine and daintily, meanwhile, it also has more nutritious and hygienical function.
(156) Preferably, horses with a low faecal egg count should not be treated at all to ascertain a reduction of the selection pressure for anthelmintic resistance.
(157) The supervisor should ascertain not only the reliability of the individual value obtained, but also the significance these OOS results represent in the overall quality assurance program.
(158) A combination of word meanings of ancient Chinese, the unearthed literature and handed-down literature provide a dependable clue to ascertain the time when a piece of literature was written.
(159) The court must therefore ascertain the " properlaw " of the contract.
More similar words: certain, certainly, for certain, uncertain, certainly not, uncertainty, entertainment, curtain, nascent, maintain, discern, visceral, concert, undertake, obtain, retain, attain, undertaking, sustain, contain, captain, container, retaining, certification, sustainable, containment, fiasco, ascribe, fascinating, habeas corpus.