Kairos is an appeal to the timeliness of the argument. Two common rhetorical devices are irony and metaphor. The use of irony in rhetoric is primarily to convey to the audience an incongruity that is often used as a tool of humor in order to deprecate or ridicule an idea or course of action.
Definition of irritant for English Language Learners. : 1  something that makes part of your body sore and painful. : 2  something that is unpleasant or annoying : something that irritates you.
noun. A medical condition in which the skin becomes red, swollen, and sore, sometimes with small blisters, resulting from direct irritation of the skin by an external agent or an allergic reaction to it.Example sentences.1  Irritant contact dermatitis is a skin reaction caused by the direct effect of an irritant substance on the skin. 2  Eczema, also known as dermatitis, describes skin conditions where there is irritation or inflammation of the skin.xample sentences. 1  Irritant contact dermatitis is a skin reaction caused by the direct effect of an irritant substance on the skin. 2  Eczema, also known as dermatitis, describes skin conditions where there is irritation or inflammation of the skin.