"Luftmensch," literally meaning "air person," is the Yiddish way of describing someone who is a bit of a dreamer. Did You Know? The word "infant" comes from the Latin word "infans" which literally means "unable to speak; speechless." ...
colorless volatile liquid, 1839, literally "a derivative of acetic acid," from Latinacetum"vinegar" (seeacetic) + Greek-based chemical suffix-one, which owes its use in chemistry to this word. ketamine(n.) 1966, fromketo-(before vowelsket-), combining form ofketone, +amine. ...
Meaning and examples Start each day with the Word of the Day in your inbox! Sign Up By clicking "Sign Up", you are accepting Dictionary.comTerms & Conditions and Privacy Policies. Quiz Q: What is a “snowplow” parent? a relaxed parent with liberal views ...
With the Grignard reagent, the type of metal used is magnesium. This magnesium makes the carbon bound to it nucleophilic (meaning it has plenty of electrons and wants to give some up) because the carbon is more electronegative than the metal....
The present invention relates to campholytic aldehyde condensates of formula (I); <Chemistry id="CHEM-US-00001"> </Chemistry> ;wherein R<Sup>1</Sup>-R<Sup>5 </Sup>have the same meaning as given in the specification.;It furthermore relates to a method of their production and to fragr...
Ketosis, meaning elevation of D- β-hydroxybutyrate ( R -3-hydroxybutyrate) and acetoacetate, has been central to starving man's survival by providing nong... Richard,L.,Ve - 《Iubmb Life》 被引量: 511发表: 2001年 Beta-hydroxybutyrate levels in peripheral blood and ketone bodies supplemented...
If someone is successful in a test of either kind, you say that they pass it. I passed my driving test in Holland. Be Careful!To pass a test always means to succeed in it. It does not have the same meaning as take or do. If someone is unsuccessful in a test, you say that they...
Accordingly, the physical meaning of F(T) is that it is the necessary value of cooling rate required to achieve a given crystallinity X(c) at unit crystallization time [21]. As indicated in Fig. 5, for various given crystallinity percentages, all the log(α) vs. log(t) plots for pure...
A bar of PEEK rod can generally be machined into bushings or bearings often within a few days for hundreds of dollars meaning speed and flexibility are unmatched. The properties of extruded shapes offer the highest stiffness and greatest toughness and in general the most reliable performance. ...
By the term “an electron donating group” or the similar, it is meant the normal meaning in the art, i.e. an atom or functional group capable of donating some of its electronic density to the adjacent aromatic system, e.g. alkoxy, alkyl or amine group....