expansions is a form of:

Expansion



noun
1.
(expanding, increase extension, an enlargement, an expanded thing or part, a development, an increase) ការរីកឡើង, ការពង្រីកខ្លួន, ការបរិយាយដ៏ល្អិតល្អន់, វត្ថារកម្ម, ចម្រើនឡើង, ការវាត, ពង្រីក, ភាពរួសរាយ, ការរីកដោយកម្ដៅ, ររលកៃកាំភ្លើង, ការបន្ធូរ, ការសម្រាក, ធូរថយ
Example: The expansion of the school.
2.
(បច្ចេកទេស) ការពង្រឹងការវាតទី, វិបុលកម្ម
ENGLISH MEANING
noun
1.
The act of expanding or spreading out; the condition of being expanded; dilation; enlargement.
2.
That which is expanded; expanse; extend surface; as, the expansion of a sheet or of a lake; the expansion was formed of metal.
3.
Space through which anything is expanded; also, pure space.
4.
Enlargement or extension of business transactions; esp., increase of the circulation of bank notes.
5.
The developed result of an indicated operation; as, the expansion of (a + b)2 is a2 + 2ab + b2.
6.
The operation of steam in a cylinder after its communication with the boiler has been cut off, by which it continues to exert pressure upon the moving piston.
7.
The enlargement of the ship mathematically from a model or drawing to the full or building size, in the process of construction.
1.
development, elaboration, unraveling
2.
evolution, growth, maturing, progress
1.
compression, curtailment