-ology, -logy, -ologist, -logist

(Greek: a suffix meaning: to talk, to speak; a branch of knowledge; any science or academic field that ends in -ology which is a variant of -logy; a person who speaks in a certain manner; someone who deals with certain topics or subjects)

The word -ology is a back-formation from the names of certain disciplines. The -logy element basically means "the study of ____". Such words are formed from Greek or Latin roots with the terminal -logy derived from the Greek suffix -λογια (-logia), speaking, from λεγειν (legein), "to speak".

The suffix -ology is considered to be misleading sometimes as when the "o" is actually part of the word stem that receives the -logy ending; such as, bio + logy.

Through the years -ology and -logy have come to mean, "study of" or "science of" and either of these suffixes often utilize the form of -ologist, "one who (whatever the preceding element refers to)".

The examples shown in this unit represent just a small fraction of the many words that exist in various dictionaries.

chthononosology
The geography of diseases.
classical archaeology, classical archeology
A field within historical archaeology specializing in the study of Old World Greek and Roman civilizations, their antecedents, and their contemporaries.
climatology
That vocation in science concerned with meteorology which is concerned with the mean physical state of the atmospher together with its statistical variations in both space and time as reflected in weather behavior over a period of many years.
codicology (s) (noun), codicologies (pl)
1. The study of manuscripts and books from pre-modern cultures and time periods. : The codicology of a codex, or an older handwritten book, is closely related to "palaeography", the study of handwriting in older manuscripts, and to "philology", the study of language and culture in older texts.

Susan was very fascinated with the handwriting in ancient books and her enthusiasm for it started with the diaries she inherited from her grandfather; so, she decided to study codicology so she could gain a better understanding!"

2. Etymology: from Latin codex, genitive form of codicis, "notebook" or "book". The suffix is from Greek, legein, "the study of a specific subject."
combinatorial topology
1. The study of polyhedrons, simplicial complexes, and generalizations of these.
2. The branch of topology used to study simple components of geometric forms.
conchologist
1. A collector and student of mollusc shells.
2. Someone who is a specialist in the branch of zoology that deals with the study of mollusks and shells.
3. A name given to the carrier-shell molluscs, based on their habit of attaching other shells, stones, etc., to their own shells.
conchology
1. The study of molluscs and their shells.
2. The hobby of shell collecting.
3. The science or study of shells and shell-fish.
4. A branch of zoology dealing with sea shells and the animals that inhabit them.

Conchology is the scientific study of shells of mollusks, a branch of malacology.

Conchologists (practitioners of conchology) may study animal shells to gain an understanding of the diverse and complex taxonomy of mollusks, or simply appreciate them for their aesthetic value.

Conchologists deal mainly with gastropods (snails), bivalves, Polyplacophora (chitons) and Scaphopoda (tusk shells).

Shell collecting, the "ancestor" or precurser of conchology, goes as far back as there have been people and beaches.

Someone walking on a beach picked up a shell for its beauty and then very likely would go out the next day to look for more specimens. This is still going on around the world wherever shells can still be found.

conidiology (s) (noun), conidiologies (pl)
coniology (s) (noun), coniologies (pl)
coprology
1. The study of animal feces (faeces).
2. The study of pornography.
cosmecologist (s) (noun), cosmecologists (pl)
1. Someone who considers the earth in its relationship to the universe and its celestial phenomena.
2. Anyone who investigates and studies the effects of cosmic phenomena on earthly life.
cosmecology (s) (noun), cosmecologies (pl)
1. A science that considers the earth in relationship to the universe and its celestial phenomena.
2. The investigation and study of the effects of cosmic phenomena on life.
cosmetologist (s) (noun), cosmetologists (pl)
An expert who gives beauty treatments; such as, to the skin and the hair; also known as a beautician.
A beautician.
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cosmetology (s) (noun), cosmetologies (pl)
The study of cosmetics, or the art, or profession, of using cosmetics: Cosmetology is a term used to designate the practice of beauty culture in beauty shops and hairdressing establishments.
cosmologist
Someone who studies the physical universe which is considered a totality of phenomena in time and space.
Cross references of word families related directly, or indirectly, to: "talk, speak, speech; words, language; tongue, etc.": cit-; clam-; dic-; fa-; -farious; glosso-; glotto-; lalo-; linguo-; locu-; logo-; loqu-; mythico-; ora-; -phasia; -phemia; phon-; phras-; Quotes: Language,Part 1; Quotes: Language, Part 2; Quotes: Language, Part 3; serm-; tongue; voc-.