noun
wood, timber
B1
Holz is a neuter noun (das Holz) meaning 'wood' or 'timber.' Singular forms are das Holz, des Holzes; plural Hölzer is irregular with umlaut and -er. It can be uncountable (material) or countable when referring to types or pieces (die Hölzer). Declension includes genitive des Holzes.
Examples
Wir heizen dieses Jahr mit Holz im Kamin.
This year we're heating with wood in the fireplace.
Die Handwerker bauten die Brücke aus Holz, obwohl Experten vor den Witterungseinflüssen gewarnt hatten.
The craftsmen built the bridge out of wood, although experts had warned about the weather exposure.
Das ist Holz.
That is wood.
Details
Mnemonics
Picture a wooden log labeled 'Holz' stored in a shed.
Sounds like English 'holtz' — think 'holz' = 'wood'.
Neutral noun: use 'das'. Many material nouns are neuter (das Holz).
Notes
Holz is often used as a mass noun (wood) but has a plural 'Hölzer' when referring to distinct pieces/types of wood.