As a noun shade

is darkness where light, particularly sunlight, is blocked.

As a verb shade

is to shield from light.

As an adjective unshaded is

not shaded; lacking shade or a shade.

As a verb arranged

is (arrange).

As a noun meetup is

an arranged informal meeting.

As a verb informal

is to inform (to communicate knowledge to others).

As a noun meetup is

an arranged informal meeting.

As nouns the difference between meeting and meetup

is that meeting is the action of the verb to meet while meetup is an arranged informal meeting.

As a verb meeting

is present participle of lang=en.

As adjectives the difference between fused and unfused

is that fused is joined together by fusing while unfused is not fused; distinct.

As a verb fused

is past tense of fuse.

As a verb fuse

is .

As an adjective unfused is

not fused; distinct.

As adjectives the difference between negative and anticorrelated

is that negative is while anticorrelated is (sciences) having a negative correlation, such that one quantity increases when another decreases.

As a noun correlation

is a reciprocal, parallel or complementary relationship between two or more comparable objects.

As an adjective anticorrelated is

having a negative correlation, such that one quantity increases when another decreases.

Anticorrelated is a related term of anticorrelation.

As a noun anticorrelation

is negative correlation (a relationship in which one value increases as the other decreases).

As an adjective anticorrelated is

having a negative correlation, such that one quantity increases when another decreases.

As a noun apoptosis

is (biology|cytology) a process of programmed cell death by which cells undergo an ordered sequence of events which lead to death of the cell, as occurs during growth and development of the organism, as a part of normal cell aging, or as a response to cellular injury.

As an adjective antiapoptotic is

(biology) acting to prevent apoptosis.