noun
material, fabric, subject (in school)
B1
Means 'material' (substance), 'fabric' (textile) and 'subject' (school content). It's masculine: der Stoff, plural Stoffe; genitive des Stoffs. Used for physical matter, textiles, or curricular content ('der Schulstoff'). No special preposition; regular plural and declension. Common collocations: 'Stoff kaufen', 'Stoff behandeln'. Can be countable or uncountable depending on meaning.
VOCABULARY.DETAILS.EXAMPLES
Der Stoff für das Kleid ist sehr weich.
The material for the dress is very soft.
Die Dozentin erklärte, welcher Stoff für das nächste Semester vorgesehen war, damit die Studierenden sich vorbereiten konnten.
The lecturer explained which material was planned for the next semester so that the students could prepare.
Sie kaufte bunten Stoff, um Vorhänge zu nähen.
She bought colorful fabric to sew curtains.
VOCABULARY.DETAILS.DETAILS_LABEL
VOCABULARY.DETAILS.MNEMONICS
visualize a bolt of fabric labeled 'STOFF' in a factory
sounds like 'stuff' — remember Stoff = stuff/material
der — imagine a male tailor (der Schneider) holding the cloth
VOCABULARY.DETAILS.NOTES
Stoff commonly means material or fabric; in educational contexts it can mean the material or subject matter covered in class.