3H
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English
[
edit
]
Noun
[
edit
]
3H
(
usually
uncountable
,
plural
3Hs
)
(
British English
)
A grade of pencil with lead that makes lighter marks than a pencil grade
2H
but darker marks than a pencil of grade
4H
; a pencil with hard lead.
A pencil of grade 3H.
tritium
. In this case, the "3" should be superscripted:
3
H.
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English nouns
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English countable nouns
English words without vowels
English terms spelled with numbers
en:Tritium
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