(pathology, immunology) Any organism or substance, especially a microorganism, capable of causing disease, such as bacteria, viruses, protozoa or fungi. Microorganisms are not considered to be pathogenic until they have reached a population size that is large enough to cause disease.

Arousing pity, sympathy, or compassion; exciting pathos. / Arousing scorn or contempt, often due to miserable inadequacy. / (obsolete) Expressing or showing anger; passionate. / (anatomy) Trochlear.

A metaphor which consists in treating inanimate objects or concepts as if they were human beings, for instance having thoughts or feelings.

(medicine) Pertaining to pathology. / (medicine) Relating to, amounting to, causing, or caused by a physical or mental disorder.

(finance) A preliminary prospectus, relating to a proposed company flotation, that does not state the expected price of shares.

An expert in pathology; a specialist who examines samples of body tissues for diagnostic or forensic purpose.

(pathology) clinical chemistry.

A therapist who treats disorders of speech, language, swallowing, or voice; a specialist in speech pathology.

In a pathetic manner; piteously.

One who discovers a way or path; one who explores untraversed regions. / One who first does something; a pioneer.