torch up
C1 informal separable transitive
In simple words
To light something on fire using a torch.
Literal meaning: To point a torch upward or to ignite something with a torch.
Meanings
1 C1 informal
To light or ignite something using a torch or open flame.
"He torched up the blowtorch and began soldering the copper pipes."
Grammar: separable
2 C1 neutral
(Cooking) To caramelise the surface of food using a small kitchen torch.
"She torched up the sugar topping on the crème brûlée until it turned golden brown."
Grammar: separable
Usage notes
An uncommon phrasal verb. Used informally in roofing, metalworking, and cooking (e.g., using a blowtorch on a crème brûlée). Also used colloquially to mean lighting a cigarette or starting a campfire. Generally rare outside these specific contexts.
Commonly used with
blowtorch flame burner surface cigarette campfire
Forms
Base
torch up
I/you/we/they
3rd person
torches up
he/she/it
Past simple
torched up
yesterday
Past participle
torched up
have + pp
-ing form
torching up
continuous
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Synonyms
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