any member of the alkyne series.
any unsaturated aliphatic hydrocarbon that has a formula of the type CnH2n–2
(as modifier): alkyne series
Also called acetylene
Any of a group of unsaturated hydrocarbons that havee carbon atoms in chains linked by one or more triple bonds and that have the general formula CnH2n-2. Alkynes can be solid, liquid, or gaseous and include acetylene. ◇ The group of alkynes as a whole is called the alkyne series or the acetylene series. The first five members of the alkyne series are acetylene (or ethyne), propyne, butyne, pentyne, and hexyne.
a city in the W Netherlands: cheese market. Historical Examples After raising the siege of Alkmaar, they had invested Leyden and cut off all communication between the Dutch cities. The Great Events by Famous Historians, Vol. 1-20 Various In those days there was unbroken land from Alkmaar and Leiden to the Dollart. The World Set […]
. the mother of Hercules by Zeus, who had assumed the form of Amphitryon, her husband. Historical Examples Frederick was seated in his arm-chair, upon his lap Alkmene, when the crown prince entered. Old Fritz and the New Era Louise Muhlbach Alkmene let the pen fall, and looked up at the king intently. Goethe and […]
noun (pl) alkos, alcos (Austral, slang) a heavy drinker or alcoholic Historical Examples Zemphra, the girl, after bearing a son to alko, gets tired of him and falls in love with another gipsy. Why we should read S. P. B. Mais alko feels this very much and complains to her father, who tells him that […]
the Koran. Historical Examples The Alkoran saith moreover: ‘Wherever we may be, and whatever we may be, everywhere we are all of us in the hand of Allah.’ The Slaves of the Padishah Mr Jkai On every table in the council-chamber stood an Alkoran—ten copies in one room. Halil the Pedlar Mr Jkai noun a […]