Coal tar can be injurious to health. Coal tar is also used to manufacture paints, synthetic dyes (notably tartrazine/Yellow #5), and photographic materials. In the coal gas era, there were many companies in Britain whose business was to distill coal tar to separate the higher-value fractions, such as naphtha, creosote and pitch. A great many industrial chemicals were first isolated from coal tar during this time. These companies included: Side effects of coal tar products include skin irritation, sun sensitivity, allergic reactions, and skin discoloration. It is unclear if use during pregnancy is safe for the baby and use during breastfeeding is
English words of Greek origin and spread to the others freely—including to Modern Greek. Traditionally, these coinages were constructed using only Greek morphemes, "e.g.", "metamathematics", but increasingly, Greek, Latin, and other morphemes are combined, as in "television" (Greek τῆλε + Latin "vision"), "metalinguistic" (Greek μετά + Latin "lingua" + Greek -ιστής + Greek -ικος), and "garbology" (English "garbage" + Greek -ολογία). These hybrid words were formerly considered to be 'barbarisms'. Some derivations are idiosyncratic, for example, "gas" from χάος; "hadron" from ἁδρός with the suffix "-on", itself abstracted from "anion" ἀνιόν; and "henotheism" < ἑνό(ς) 'one' + θεός 'god', though "eno-" is not used as