спекание înseamnă în Engleză

agglomeration [agglomerations]▼(act of collecting in a mass)
noun
[UK: ə.ˌɡlɒ.mə.ˈreɪʃ.n̩] [US: ə.ˌɡlɑː.mə.ˈreɪʃ.n̩]

sintering▼(A process in which the particles of a powder are welded together by pressure and heating to a temperature below its melting point)
noun
[UK: sˈɪntərɪŋ] [US: sˈɪntɚrɪŋ]