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.
- Alkyne series
the homologous series of unsaturated, aliphatic hydrocarbons containing one triple bond and having the general formula, C n H 2n+2 , as acetylene, HC≡CH.
the whole of (used in referring to quantity, extent, or duration): all the cake; all the way; all year. the whole number of (used in referring to individuals or particulars, taken collectively): all students. the greatest possible (used in referring to quality or degree): with all due respect; with all speed. every: all kinds; all […]
a group of things placed, thrown, or lying one on another; pile: a heap of stones. Informal. a great quantity or number; multitude: a heap of people. Slang. an automobile, especially a dilapidated one. to gather, put, or cast in a heap; pile (often followed by up, on, together, etc.). to accumulate or amass (often […]
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on board; on, in, or into a ship, train, airplane, bus, etc.: to step aboard. alongside; to the side. Baseball. on base: a homer with two aboard. into a group as a new member: The office manager welcomed him aboard. on board of; on, in, or into: to come aboard a ship. all aboard!, (as […]