adj. 1. a. Existing independent of or external to the mind; actual or real: objective reality. b. Based on observable phenomena; empirical: objective facts. 3. Medicine Relating to or being an indicator of disease, such as a physical sign, laboratory test, or x-ray, that can be observed or verified by someone other than the person being evaluated. 4. Grammar a. Of, relating to, or being the case of a noun or pronoun that serves as the object of a verb. b. Of or relating to a noun or pronoun used in this case. n. 1. Something worked toward or striven for; a goal. See Synonyms at intention. 2. A thing or group of things existing independent of the mind. 3. Grammar a. The objective case. b. A noun or pronoun in the objective case. 4. The primary optical element, such as a lens or mirror, in a microscope, camera, telescope, or other optical instrument, that first receives light rays from the object and forms the image. Also called object glass, objective lens, object lens. ob·jective·ly adv. ob·jective·ness n. |
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