قاموس اللغة الإنجليزية
نتائج البحث عن Tetramethylene
Tetramethylene
(n.)
A hypothetical hydrocarbon, C4H8, analogous to trimethylene, and regarded as the base of well-known series or derivatives.
Tetramethylene
(n.)
Sometimes, an isomeric radical used to designate certain compounds which are really related to butylene.