A person who is certified to provide custodial care such as help in walking, bathing, and feeding.

(chemistry) The study of ancient alchemy using the knowledge and techniques of modern chemistry in order to advance the understanding of the history of chemistry.

(of a person) Diminished in proficiency, especially in exercising a skill, due to disuse or a lack of recent experience.

Alternative form of put into practice

Commercial activity that is possibly dishonest while not actually being illegal. / (law) A lawyer's unfairly taking advantage of an opposing party's missteps or inexperience to gain an advantage.

(transitive, idiomatic) To make (something) a practical reality.

(philosophy) The use of reason to decide how to act.

(mathematics) Any positive integer having the property that all smaller integers can be represented as sums of distinct divisors of it

(uncountable) The conduct of a profession, especially medicine or law, as a general practitioner, without a specialty. / (countable) A place where a general practitioner works.

plural of practical joke