the process of concentrating on and becoming expert in a particular subject or skill.

a thing that is or is likely to be wrongly perceived or interpreted by the senses.

occupy, attract, or involve

relating to, measuring, or measured by the quality of something rather than its quantity.

relating to or situated at the edge or margin of something.

describe or regard as worthy of disgrace or great disapproval.

the path followed by a projectile flying or an object moving under the action of given forces.

make (someone or something) accept something as normal or usual.

a small part broken or separated off something.

of imposing height.

the ideas, attitudes, or activities that are regarded as normal or conventional; the dominant trend in opinion, fashion, or the arts.

relating to the structure of populations.

paration into parts by

dependence on or trust in someone or something.

the ability to see, hear, or become aware of something through the senses.

point out; show.

so small or unimportant as to be not worth considering; insignificant.

coming after, less important than, or resulting from someone or something else that is primary.

the action of describing or regarding someone or something as worthy of disgrace or great disapproval.

a means of approaching or entering a place.

of such excellence, grandeur, or beauty as to inspire great admiration or awe.

treat in a way that is apparently kind or helpful but that betrays a feeling of superiority.

higher in rank, status, or quality.

raise or lift (something) up to a higher position.

a view or prospect.