ศัพท์ น่าสับสน - Set – G – group
แนะนำการใช้ ตามที่ส่วนใหญ่ใช้ แต่ละท้องถิ่น
ความหมาย อาจผันแปร ตาม ตำแหน่ง/หน้าที่ ในประโยค
แสดงรายละเอียด จากตำราแต่ละเล่ม ที่เป็นหัวข้อ ต่อไปนี้:
ออกเสียง group = “GROOP”
Common Error in English Usage Dictionary:
Group (PLURAL VS. SINGULAR)
When the group is being considered as a whole,
it can be treated as a single entity:
“the group was ready to go on stage.”
But when the individuality of its members
is being emphasized,
“group” is plural:
“the group were in disagreement about where to go for dinner.”
THE AMERICAN HERITAGE® SCIENCE DICTIONARY
SCIENTIFIC DEFINITIONS FOR GROUP
and act as a unit in a number of chemical compounds,
such as a hydroxyl (OH) group.
a vertical column that contains elements
having the same number of electrons
in the outermost shell of their atoms.
Elements in the same group
have similar chemical properties.
See Periodic Table.
A set with an operation
whose domain is all ordered pairs of
members of the set,
such that the operation is binary (operates on two elements)
and associative, the set contains the identity element
of the operation, and
each element of the set has an inverse element for the operation.
The positive and negative integers
and zero form a set that is a group
under the operation of ordinary addition,
since zero is the identity element of addition
and the negative of each integer is its inverse.
Groups are used extensively in quantum physics
and chemistry to model phenomena
involving symmetry and invariance.
American Heritage® Dictionary of the English Language:
groupe, from Italian gruppo, probably of Germanic origin.]
Group as a collective noun can be followed
by a singular or plural verb.
It takes a singular verb
when the persons or things that make up the group
are considered collectively:
The dance group is ready for rehearsal.
Group takes a plural verb
when the persons or things that constitute i
are considered individually:
The group were divided in their sympathies.
See Usage Note at collective noun.
Dictionary of Military and Associated Terms.
US Department of Defense 2005.
composed of either two or more battalions
or two or more squadrons.
The term also applies to combat support
and combat service support units.
normally a subdivision of a force,
assigned for a specific purpose.
Also called GP.