"What's the Word?" The ordered list, with definitions

Listed below are the What's the Word segments from episodes 531-617 that may yet need to be added to the What's the Word? category.
WTW segments after Episode 617 might be nice to have added to this page so as to also list one of each word's principal definitions.

• Exaptation (617) – An organ that has a function that is not what it was originally evolved for
• Pathology (607) – The nature of a disease, or the study of the nature of a disease.
• Impedance (605) – The effective resistance of an electric circuit to alternating current
• Parallax (601) – Apparent movement against a background as an observer moves
• In Situ (597) – Being in its original position or place
• Phylogenetic (596) – The evolutionary history of a species
• Endemic (595) – Restricted to a particular region
• Autopoiesis(594) – A system that is self-regulating
• Autological (594) – A word that describes itself
• Xerophile (592) – An organism that thrives in dry environments
• Relict (591) – Something that has survived from an earlier period of time
• Taphonomy (589) – The study of fossilization
• Autophagy (588) – The self-digestion of a cell's organelles
• Ultracrepidarian (587) – One who expresses opinions outside their area of expertise
• Apophenia (586) – Perceiving a connection between random things
• Superfecundation (585) – Successive fertilization of multiple ova from the same ovulation
• Comorbidity (584) – Multiple simultaneous diagnoses
• Thanatosis (583) – When an animal plays dead
• Glycolysis (582) – The metabolic pathway that breaks down glucose
• Inquiline (581) – An animal that exploits the living space of another species
• Flocculation (580) – The production of fluffy masses from a colloidal suspension
• Hypnagogia (579) – The state of drowsiness that immediately preceeds sleep
• Mondegreen (578) – Word / phrase resulting from a mishearing of something that was said or sung
• Neoteny (577) – Retention of juvenile characteristics in adult individuals of a species
• Estivation (576) – Entering a dormant state when in a hot, dry environment
• Apoptosis (575) – Programmed cell death
• Paroxysmal (574) – Relating to a sudden fit, or attack during illness
• Alluvium (573) – Clay or silt that's deposited by running water
• Crepuscular (572) – Of, relating to, or resembling twilight
• Eschatology (571) – In theology, the final destiny of the soul, and of mankind
• Iatrogenic (570) – An infection or injury produced inadvertently by a physician
• Cauliflory (569) – Production of flowers or fruits directly from the branches or trunks of plants
• Autotomy (568) – The reflexive separation of an appendage, or other part of the body
• Group animal names (589) – An obstinacy of buffalo, etc
• Amphidromic (566) – A point where there's almost zero tides
• Propaganda (565) – Spreading ideas to promote an institution
• Hyperthymesia (564) – Extremely efficacious autobiographical memory
• Geodesic (563) – The shortest distance between two points
• Homophily (562) – The theory that people tend to form connections with others who are similar to them
• Foreign words that lack English equivalents (561)
• Chemiosmosis (560) – Turning ADP into ATP in mitochondria
• Equilux (559) – The day in which the length of dark and light are equal
• Sciolism (558) – Opinionating on subjects of which one only has superficial knowledge
• Thixotropy (557) – A property where shaking a substance thins it out
• Pleochroism (553) – The way crystals show different colors when viewed from different directions
• Epistasis (552) – When combined genes have a dominant effect over other combinations
• Words from science fiction (551) – Robotics, for example
• Agnatology (550) – The study of willful acts to spread confusion
• Algorithm (549) – A set of prescribed rules for solving a problem
• Fugacity (548) – The pressure of a hypothetical ideal gas that would correspond to the real gas as it exists at a given temperature, pressure, and composition
• Obligate (547) – A creature that is restricted to one characteristic mode of life
• Consilience (544) – Linking together principles from different disciplines to form a theory
• Hysteresis (543) – The lag in a variable property of a system with respect to the effect producing it as this effect varies
• Homeostasis (542) – The maintenance of internal stability in a system or organism
• Albedo (541) – The intensity of light that's reflected from an object
• Formication (540) – The feeling that insects are crawling all over your skin
• Indolent (539) – Causing little or no pain, inactive, or relatively benign
• Canonical (538) – According to recognized rules or scientific laws
• Isograd (534) – A line connecting points on the Earth where metamorphism of rocks occurred under the same conditions
• Efferent (533) – A body part that projects outward
• Anosmia (532) – The loss of the sense of smell

Redirects created/fixed, added to WTW Category

• Isotropy (593)
• Stochastic (531) – A process that is a random in the particulars, but is statistical in the aggregate

Trivia

• The longest What's the Word segment was 9 minutes and 55 seconds long, in episode 543
• The shortest was a tie at 1 minute and 50 seconds in episodes 534 and 558