As nouns the difference between optimization and preoptimization

is that optimization is the design and operation of a system or process to make it as good as possible in some defined sense while preoptimization is (computing) an advance optimization; an instance of preoptimizing.

As an adjective hydrous

is (chemistry) containing combined water; hydrated.

As a noun afghanite is

(mineral) a hydrous hexagonal feldspathoid mineral of the cancrinite group.

As an adjective hexagonal

is (geometry) having six edges, or having a cross-section in the form of a hexagon.

As a noun afghanite is

(mineral) a hydrous hexagonal feldspathoid mineral of the cancrinite group.

As nouns the difference between feldspathoid and afghanite

is that feldspathoid is (mineralogy) any of a small group of igneous, plutonic, and volcanic minerals formed in magma that did not contain enough silica to satisfy all the chemical bonds feldspathoids are silica-poor variants of the feldspar group while afghanite is (mineral) a hydrous hexagonal feldspathoid mineral of the cancrinite group.

As an adjective feldspathoid

is (mineralogy) resembling a feldspar.

As nouns the difference between mineral and afghanite

is that mineral is mineral while afghanite is (mineral) a hydrous hexagonal feldspathoid mineral of the cancrinite group.

In mineral|lang=en terms the difference between cancrinite and afghanite

is that cancrinite is (mineral) any of a family of feldspathoid minerals that are mixed carbonates and aluminosilicates of sodium and calcium while afghanite is (mineral) a hydrous hexagonal feldspathoid mineral of the cancrinite group.

As nouns the difference between cancrinite and afghanite

is that cancrinite is (mineral) any of a family of feldspathoid minerals that are mixed carbonates and aluminosilicates of sodium and calcium while afghanite is (mineral) a hydrous hexagonal feldspathoid mineral of the cancrinite group.

As nouns the difference between private and closeting

is that private is the lowest rank of the army while closeting is a private conference or interview.

As an adjective private

is belonging to, concerning, or accessible only to an individual person or a specific group.

As a verb closeting is

.

As a verb closeting is

.

As a noun closeting is

a private conference or interview.

As nouns the difference between interview and closeting

is that interview is interview while closeting is a private conference or interview.

As a verb closeting is

.

Kennelling is an alternative form of kenneling.

In present participle of|kennel|lang=en terms the difference between kennelling and kenneling

is that kennelling is while kenneling is .

As verbs the difference between kennelling and kenneling

is that kennelling is while kenneling is .