GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 312 ichthyology (n) The branch of zoology that treats of fishes ichthyosaurs (n) A fossil reptile icily (adv) Frigidly iciness (n) The state of being icy icon (n) An image or likeness iconoclast (n) An image-breaker idealize (v) To make to conform to some mental or imaginary standard ideology (n) speculation; representative way of thinking