Òîïëèâî ïûëåâèäíîå (àíãë.Powdered coal, Pulverized coal ) - Òâåðäîå òîïëèâî, èçìåëü÷åííîå â îñíîâíîì äî ÷àñòèö ðàçìåðîì äî 200 ìê.
Ýôôåêòèâíîñòü îáîãàùåíèÿ óãëÿ (àíãë.Coal preparation efficiency ) - Îòíîøåíèå ôàêòè÷åñêîãî çíà÷åíèÿ ïîêàçàòåëÿ îáîãàùåíèÿ óãëÿ ê òåîðåòè÷åñêè äîñòèæèìîìó.
Ýíåðãîåìêîñòü òîïëèâà (îáúåìíàÿ òåïëîòà ñãîðàíèÿ) (àíãë.Power intensity of fuel ) - Êîëè÷åñòâî òåïëà, âûäåëÿåìîå ïðè ñãîðàíèè åäèíèöû îáúåìà æèäêîãî òîïëèâà.
Ýìóëüñèÿ âîäîìàçóòíàÿ (àíãë.Water-fuel oil emulsion ) - Äèñïåðñíàÿ ñèñòåìà, â êîòîðîé ðîëü ñðåäû âûïîëíÿåò ìàçóò, à ôàçîé ÿâëÿåòñÿ âîäà â âèäå êàïåëü ðàçìåðîì íåñêîëüêî ìèêðîí.
Ýìóëüñèÿ (àíãë.Emulsion ) - Ñìåñü äâóõ æèäêîñòåé, ïðè÷åì îäíà æèäêîñòü (äèñïåðñíàÿ ôàçà) ðàñïðåäåëåíà â äðóãîé (äèñïåðñèîííàÿ ñðåäà) â âèäå ìåëü÷àéøèõ êàïåëåê.
Ýëåìåíòû óãëÿ çîëîîáðàçóþùèå (àíãë.Ash-forming elements of coal ) - Ýëåìåíòû, çà èñêëþ÷åíèåì êèñëîðîäà, ñîñòàâëÿþùèå îñíîâíóþ ìàññó çîëû óãëÿ: êðåìíèé, àëþìèíèé, æåëåçî, êàëüöèé, ìàãíèé, ñåðà, íàòðèé, êàëèé, òèòàí, ôîñôîð.
Ýêâèâàëåíò êàëîðèéíûé (àíãë.Calorific equivalent ) - Îòíîøåíèå íèçøåé òåïëîòû ñãîðàíèÿ ðàáî÷åãî òîïëèâà ê òåïëîòå ñãîðàíèÿ óñëîâíîãî òîïëèâà, ðàâíîé 7000 êêàë/êã.
Øòûá (àíãë.Small coal Slack ) - Ìåëêèé óãîëü.
Øëàê (àíãë.Slag ) - Ïðîäóêò ñãîðàíèÿ òîïëèâ, îáðàçóþùèéñÿ â òîïêå êîòëà è ñêàïëèâàþùèéñÿ ïîä òîïêîé â øëàêîñáîðíèêàõ.
Øåäû (àíãë.Sheds or indicators of petroleum product color ) - Ïîêàçàòåëè öâåòà íåôòåïðîäóêòà, îïðåäåëÿåìîãî íà õðîíîìåòðå Ñåéáîëòà.
×èñëî öèêëîãåêñàíîâîå (àíãë.Cyclohexane number ) - Ïîêàçàòåëü, ñëóæàùèé äëÿ îöåíêè ýôôåêòèâíîñòè àíòèîêèñëèòåëåé, ïðèìåíÿåìûõ â òîïëèâàõ, õàðàêòåðèçóåìûé óâåëè÷åíèåì èíäóêöèîííîãî ïåðèîäà (â ìèíóòàõ) öèêëîãåêñåíà ïîñëå äîáàâëåíèÿ ê íåìó 0,002% àíòèîêèñëèòåëÿ.
×èñëî öåòàíîâîå (àíãë.Cetane number ) - Ïîêàçàòåëü, óêàçûâàþùèé ñêîðîñòü íàðàñòàíèÿ äàâëåíèÿ ïðè ñãîðàíèè æèäêîãî íåôòÿíîãî òîïëèâà â ïîðøíåâûõ äâèãàòåëÿõ ñ âîñïëàìåíåíèåì òîïëèâíî-âîçäóøíîé ñìåñè îò ñæàòèÿ, âûðàæåííûé â åäèíèöàõ ýòàëîííîé øêàëû.
×èñëî îêòàíîâîå (àíãë.Octane number ) - Ïîêàçàòåëü, óêàçûâàþùèé äåòîíàöèîííóþ ñòîéêîñòü áåíçèíà â åäèíèöàõ ýòàëîííîé øêàëû.
×èñëî ìåòàíîâîå (àíãë.Methane number ) - Ïîêàçàòåëü, õàðàêòåðèçóþùèé àíòèäåòîíàöèîííûå ñâîéñòâà ñæèæåííûõ ãàçîâ.
×èñëî ëþìèíîìåòðè÷åñêîå (àíãë.Luminometer number ) - Ïîêàçàòåëü, óêàçûâàþùèé èíòåíñèâíîñòü ñâåòîâîãî èçëó÷åíèÿ ïëàìåíè ïðè ñãîðàíèè æèäêîãî íåôòÿíîãî òîïëèâà â óñëîâèÿõ èñïûòàíèÿ.
Öèêëàíû (àíãë.Naphthenes ) - Îáùåå íàçâàíèå íàñûùåííûõ ìîíîöèêëè÷åñêèõ óãëåâîäîðîäîâ (íàôòåíîâ).
Öåìåíòàöèÿ çîëû (àíãë.Carburising ash ) - Îáðàçîâàíèå ïëîòíûõ è ïðî÷íûõ çîëîâûõ îòëîæåíèé â ðåçóëüòàòå âçàèìîäåéñòâèÿ íåêîòîðûõ ñîñòàâëÿþùèõ çîëû ñ âîäîé.
Õàðàêòåðèñòèêè ãàçà òåïëîòåõíè÷åñêèå (àíãë.Heat engineering characteristics of gas ) - Õàðàêòåðèñòèêè, îïðåäåëÿþùèå òåïëîòåõíè÷åñêèå ñâîéñòâà ãàçà â ñîîòâåòñòâèè ñ òðåáîâàíèÿìè íîðìàòèâíî-òåõíè÷åñêèõ äîêóìåíòîâ.
Ôðàêöèÿ óãëÿ (àíãë.Coal fraction ) - Ñîâîêóïíîñòü êóñêîâ óãëÿ ñ óñòàíîâëåííûì äèàïàçîíîì ïëîòíîñòè.
Ôðàêöèÿ òîïëèâà (àíãë.Fuel fraction ) - ×àñòü òîïëèâà, õàðàêòåðèçóåìàÿ îïðåäåëåííûìè òåìïåðàòóðíûìè ïðåäåëàìè âûêèïàíèÿ.