As a noun idioblast

is (botany) an isolated specialised cell found in the midst of an otherwise homogeneous group of cells in plant tissue.

As an adjective poikiloblastic is

(geology) describing the texture of a metamorphic rock that has small idioblasts of one constituent lying within larger xenoblasts.

As a noun xenoblast

is a crystal forming in a metamorphic rock that has not developed its characteristic crystalline faces and which gets its shape from bordering crystals.

As an adjective poikiloblastic is

(geology) describing the texture of a metamorphic rock that has small idioblasts of one constituent lying within larger xenoblasts.

Poikiloblastic is a related term of poikilitic.

In geology terms the difference between poikilitic and poikiloblastic

is that poikilitic is describing the texture of an igneous rock that has small crystals of one mineral scattered among larger crystals of another while poikiloblastic is describing the texture of a metamorphic rock that has small idioblasts of one constituent lying within larger xenoblasts.

As nouns the difference between posterior and posteriority

is that posterior is (euphemistic) the buttocks while posteriority is the condition of being posterior (in any sense).

As an adjective posterior

is located behind, or towards the rear of an object.

As a verb rock

is (rycka).

As an adjective poikilitic is

(geology) describing the texture of an igneous rock that has small crystals of one mineral scattered among larger crystals of another.

As a proper noun crystal

is .

As an adjective poikilitic is

(geology) describing the texture of an igneous rock that has small crystals of one mineral scattered among larger crystals of another.

As a noun mineral

is mineral.

As an adjective poikilitic is

(geology) describing the texture of an igneous rock that has small crystals of one mineral scattered among larger crystals of another.

As adjectives the difference between texture and poikiloblastic

is that texture is textured while poikiloblastic is (geology) describing the texture of a metamorphic rock that has small idioblasts of one constituent lying within larger xenoblasts.

As a verb texture

is .

In geology|lang=en terms the difference between metamorphic and poikiloblastic

is that metamorphic is (geology) having been structurally altered as a result of, or resulting from, exposure to intense heat and/or pressure (at the contact zone between colliding plates, for example) while poikiloblastic is (geology) describing the texture of a metamorphic rock that has small idioblasts of one constituent lying within larger xenoblasts.

As adjectives the difference between metamorphic and poikiloblastic

is that metamorphic is (geology) having been structurally altered as a result of, or resulting from, exposure to intense heat and/or pressure (at the contact zone between colliding plates, for example) while poikiloblastic is (geology) describing the texture of a metamorphic rock that has small idioblasts of one constituent lying within larger xenoblasts.

As a noun metamorphic

is (mineralogy) a rock that has been changed from its original form by subjection to heat and/or pressure.

As an adjective muscle

is muscled, muscly, muscular.

As a verb muscle

is .

As a noun platysma is

(anatomy) a superficial muscle in the neck, overlapping the sternocleidomastoid.