photochemical
/fˌoʊtoʊkˈɛməkəl/
Word Rarity
Very rare
Frequency: Zipf frequency 2.21 in modern English
27
Scrabble Score
13
Letters
5
Syllables
10
Unique Chars
Meaning
adj
Of, relating to, or produced by photochemistry or by photochemical reactions.
noun
Any chemical compound (such as silver halides) used in photography.
Example Sentences
- "The O–O bond in benzoyl peroxide and the C–N bonds in AIBN homolyze under thermal or photochemical conditions."
- "Between 1826 and 1837, Nicéphore Niépce, credited with taking the first successful photograph, in 1827, and Louis Daguerre, the most famous photographic innovator of his day, found that silver iodide was especially light sensitive, and they used this discovery as the basis for their early work, which even then had begun to gain international notice. By 1842, others found that when sunlight hit a gelatin emulsion containing silver iodide, soon to be called a daguerreotype plate, it induced a photochemical reaction. Practical photography was born."
- "[…] Kodak's production of photochemicals, and Sheppard worked out a method of suspending pulverized coal in fuel oil for use in U.S. Navy ships. By the spring of 1918 Sheppard had developed a collodial mixture containing chemical […]"
- "Troubleshooting emulsion artifacts: Many problems will be averted by consulting Kodak materials and Reference 4 before the first experiment. Because nuclear track emulsions are very sensitive to chemical contaminants, especially metals and photochemicals, Kodak recommends three controls for every experiment: blank, charged slides (no tissue), charged slides with unlabeled tissues (not hybridized), and charged slides with hybridized (radioactive) tissue sections."
Etymology
Etymology tree Proto-Indo-European *bʰeh₂- Proto-Indo-European *-os Proto-Indo-European *bʰéh₂os Proto-Hellenic *pʰáwos Ancient Greek φᾰ́ος (phắos) Ancient Greek φῶς (phôs) Ancient Greek φωτο- (phōto-)der. English photo- Proto-Indo-European *ǵʰew- Proto-Indo-European *-mn̥ Proto-Hellenic *-mə Ancient Greek -μᾰ (-mă) Ancient Greek χῠ́μᾰ (khŭ́mă) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Proto-Hellenic *-íā Ancient Greek -ία (-ía) Ancient Greek χυμείᾱ (khumeíā)bor. Arabic الْكِيمِيَاء (al-kīmiyāʔ)bor. Medieval Latin alchēmia ▲ Ancient Greek χυμείᾱ (khumeíā)influ. New Latin chēmia Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus New Latin chēmicus Proto-Indo-European *h₂el- Proto-Indo-European *-is Proto-Indo-European *h₂élisder.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English chemical English photochemical From photo- + chemical.
Subject
Wiktionary places this term in Chemistry.
Inflected Forms
Derived Forms
Phrases
photochemical logic gate
photochemical oxidant
photochemical reaction
photochemical reduction
photochemical smog