-or; -our (primarily British)

(Latin: a suffix; state of, result of; he who, that which)

A suffix that forms nouns. British spelling is usually -our.
investor (s) (noun), investors (pl)
A substance consisting of iodine and a surface-active agent in solution that slowly releases elemental iodine which is used as a disinfectant.
ion accelerator
1. A machine in which an electric field produced by external oscillators or amplifiers propels electrons in a straight to produce a beam of highly charged particles.
2. A linear accelerator in which ions are accelerated by an electric field in a standing-wave pattern that is set up in a resonant cavity by external oscillators or amplifiers.
ion detector
A device for the detection of presence or concentration of liquid solution ions; such as, with a pH meter or by conductimetric techniques.
1. In Roman history, a javelin thrower; a soldier armed with a javelin.
2. Someone who throws, hurls, or casts something.
3. The archer fish (Toxotes jaculator).
1. A door-keeper or porter.
2. A caretaker of a building, especially of a school, who has charge of the cleaning, heating, etc.
juror (s) (JOOR uhr, JOOR or") (noun), jurors (pl)
Members of a body of people who have sworn to give a legal verdict based on the evidence on a given matter presented in a court of law: Yesterday, Mrs. Black was selected to be a juror at the trial of the person who had committed fraud.

In a surprise turn of events, the eminent civil law professional was selected as a juror for the upcoming conflict-of-interest trial.

Yesterday, Allen was selected to be a juror at the trial of the person who had committed fraud.

legislator (s) (noun), legislators (pl)
One who makes laws for a people or nation; a lawgiver; a member of a legislative body.
levitator (s) (noun), levitators (pl)
Someone who seems to be able to raise bodies from the ground with apparently spiritualistic means: The visitors at the amusement park were very skeptical of the levitator who claimed that he could cause a person to float in the air above the ground just by using his supernatural powers.
licenser, licensor (s) (noun); licensers, licensors (pl)
1. An official who can give validated assent to a business or to an individual to participate in some activity: The local municipal official from the health department can act as the licenser for tattoo parlors.
2. A government agent who is in a position to warrant, to allow, or to legalize something; especially, with a formal document: When Joan moved to her new neighborhood, she was told that she needed to go to the licensor at the city hall to get an ownership tag for her dog.
mediator (s) (noun), mediators (pl)
1. A person who intervenes between two parties; especially, for the purpose of effecting reconciliation; an intercessor: A mediator suggests compromises, acts as a go-between, and tries to get both sides to come to a mutual agreement.
2. In physiology and chemistry, an enzyme, hormone, or other chemical substance which acts as an intermediate or carrier in, or otherwise influences, a chemical, physiological, or pathological process: An endogenous mediator refers to proteins that enhance and trigger the tasks of other proteins.
Someone who strives to get those who disagree to have friendly relations.
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An instrument for applying a medicine locally, especially within a body cavity; an applicator.
meditator (s) (noun), meditators (pl)
Someone who practices concentrating and focusing on sounds, visualizations, and movements: Ryan, who was a meditator, practiced to increase his awareness of the present moment in an effort to reduce stress and to promote relaxation.

Lelia and some other meditators direct their attention to breathing and the repetition of mantras (repeated words or phrases) in order to achieve higher levels of spiritual awareness.