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Dictionary

Words, grammatical forms and meanings linked to the ontology.

fly ash en · NOUN

Pronunciation

  • /ˈflaɪ æʃ/ (Received-Pronunciation)
  • /ˈflaɪ ˌæʃ/ (General-American)
  • (General-American) audio

Etymology

From fly (“(obsolete) act of flying”, noun) + ash.

Meanings

  1. (uncountable) A residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases; when generated industrially it is usually captured and can be recycled for use in construction materials.
    • Besides our sending out of cement by rail, we also bring in pulverised fly-ash, typically once a week, which comes from Drax Power Station and is used in the cement manufacturing process, […] 2022 September 7, Gareth David, “Class 20 Stronghold in the Peak District”, in Rail, number 965, Peterborough, Cambridgeshire: Bauer Media, →ISSN, →OCLC, page 45:
    • Furnaces and boilers with horizontal heating surfaces require frequent cleaning, because fly ash (fine powdery ash) collects on these surfaces. 1975 May, Joseph W[inslow] Simons, “Fuels and Burners”, in Home Heating: Systems, Fuels, Controls (Farmers’ Bulletin; no. 2235), Washington, D.C.: Agricultural Research Service, United States Department of Agriculture, →OCLC, page 19, column 2:
    • Heat exchangers should be kept free of debris to minimize the possibility of fire. Fly ash deposited in heat exchangers may cause nonuniform temperatures. Therefore, the exchangers should be disconnected and cleaned out regularly. 1956 December, Edmund F. Rasmussen [et al.], “Heating System”, in Inspection and Maintenance of Lumber Dry Kilns and Equipment: Information on Ways and Means of Keeping Lumber Dry Kilns Operating Efficiently (Report no. 1900-4), Madison, Wis.: Forest Products Laboratory, Forest Service, United States Department of Agriculture in association with the University of Wisconsin, →OCLC, page 19:
    • Among new freight vehicles was a prototype 21-ton wagon with pressure discharge for the conveyance of fly ash from power stations, […] 1964 August, “BR [British Rail] in 1963 – ‘We have Turned the Financial Corner’”, in Modern Railways, Shepperton, Surrey: Ian Allan Publishing, →ISSN, →OCLC, page 115:

Coordinates

bottom ash · potash

Hypernyms

coal ash · ash

Synonyms

flue ash

Translations (31)

pl popiół lotny (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · de Flugasche (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · fi lentotuhka (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · ru зола́-уноса (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · nl vliegas (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · it cenere volante (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · uk зола́ ви́носу (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · af vliegas (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · da flyveaske (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · cmn 飛灰 /飞灰 (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · sv flygaska (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · mr फ्लाय ॲश (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · fr cendre volante (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · pt cinzas volantes (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · th เถ้าลอย (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · id abu terbang (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · et lendtukh (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · tr uçucu kül (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · km ផ្លាយ អាស់ (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · eo flugcindro (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · vi tro bay (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · ar رماد متطاير (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · nb flygeaske (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · es cenizas volantes (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · ja フライアッシュ (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · ru лету́чая зола́ (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · ta எரி சாம்பல் (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · ca cendra volant (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · fa خاکستر بادی (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · he אפר פחם (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases) · hi उड़न राख (residue generated in the combustion of powdered coal or other materials, comprising the fine particles that rise with the flue gases)