philo-, phil-, -phile, -philia, -philic, -philous, -phily, -philiac, -philist, -philism

(Greek: love, loving, friendly to, fondness for, attraction to; strong tendency toward, affinity for)

These are just a few of the meanings set up for the etymological meanings of philo- which comes to us from Greek.

In biology, there are many words that use philo-, phil- to mean "thriving in such and such a place or situation; or exhibiting a tendency for a specified condition" for its existence.

Other meanings include: "strongly attracted to; such as, an organism that loves or is strongly attracted to something which is specified".

In psychology and psychiatry, -phile, -philia, etc. use this element as a word termination indicating an abnormal craving or attraction to or an affinity for an object as shown by the word stems to which they are affixed.

A collector of old guns.
1. The art of training pigeons.
2. A special fondness for or love of pigeons.
A collector of transport tickets.
1. A collector of or a fondness for collecting pigeons.
2. Someone who has a love of, or a fondness for, pigeons.
petrochthophile (s) (noun), petrochthophiles (pl)
Creatures which prefer to live in areas with stones or boulders: There are conditions when scorpions are petrochthophiles because they are lithophilic or rock-loving creatures; so, they inhabit many geographic regions.
petrochthophilous (adjective), more petrochthophilous, most petrochthophilous
In biology, a reference to creatures that thrive on rock-banks: The petrochthophilous Eurasian eagle-owl is a bird of prey that breeds on rocky cliff ledges.
petrochthophily (s) (noun), petrochthophilies (pl)
An organism which lives in stony or craggy environments: The main habitat of the wild yak, which is a petrochthophily, is in treeless regions between 3,000 and 5,500 meters (9,800 and 18,000 ft).
petrodophile (s) (noun), petrodophiles (pl)
An organism that subsists in an area or clearing of stones or boulders: Petrodophiles, such as, the alpine azaleas, populate high mountainous regions of North America and are low-growing plants.
petrodophilous (adjective), more petrodophilous, most petrodophilous
In biology, relating to animals and plants that thrive in boulders and other rocky environments: The petrodophilous rock chuck, or ground squirrel, lives above 6,500 feet (2,000 meters) and protects itself on rocky slopes where there are many crevices to find shelter from surprise attacks.
petrodophily (s) (noun), petrodophilies, (pl)
Plants or animals which prosper in areas with stones or boulders: The biology class went on a field trip to the Mojave Desert where they were able to see a chuckwalla lizard, a petrodophily, which was protecting itself by being wedged securely in the crevice of rock.
petrophile (s) (noun), petrophiles (pl)
Evergreen shrubs (of the family Proteaceae) found in Australia, New South Wales and Queensland: These bushes are usually known as conebushes that have prickly leafage and yellow or pink flowers which then produce gray, conical fruits.
petrophilous (adjective), more petrophilous, most petrophilous
In biology, descriptive of something that  thrives on rocks or in stony habitats: Most species of rattlesnakes found in the Mojave Desert live among the open, rocky areas, often hiding out of the sun in the cracks of boulders.
A wildcat and plants that exist on rocky areas.
—Source: Natur-Palette , Zurich Insurance Calendar, 1992.
petrophily (s) (noun), petrophilies (pl)
An organism which has its habitat in areas with stones or lapideous regions: Some petrophilies, like the chuckwalles,  are rock-dwelling creatures, vegetarians and feed on leaves, flowers and fruits of any desert plants.
A collector of surrealist items; such as, things that are unusual or which are seemingly impossible as we know them in natural situations.
Quiz button #1 You may take a self-scoring quiz over some of the words in this section by just clicking this Philo Quiz #1 link.

Related "love, fondness" units: agape-; amat-; vener-; venus.