I 2186

[dreamer56]

20 ac A Hebrew invalid creates the smallest infinite integer (5-4) A-E-R - -U-L
I think it is 'something' NULL.
25 Ac Notes about slate kitchen equipment? (7) T-M-I-I
Many thanks in anticipation.

[goodgoalie]

Timpani

[goodgoalie]

Aleph Null

[JJ109]

Aleph null

[dannyk13]

Aleph null- Aleph (a in Hebrew alphabet) +null(invalid)

[dreamer56]

Many thanks. This means my 21 down is wrong.
Express lift (5)
I thought it was 'RAISE'.
It is now H-A-E. So,'HEAVE'?

[dannyk13]

Heave looks good.

[dreamer56]

Seems so, but is 'heave' 'express'? I suppose it is like retching up? As in expressing a liquid?

[dannyk13]

Define heave. heave synonyms, heave pronunciation, heave translation, English dictionary definition of heave. v. heaved , heav·ing , heaves v. tr. 1. ... let loose, let out, utter, emit - express audibly; utter sounds (not necessarily words);