noun
long-term bill
A financial instrument with a maturity typically exceeding one year, used in commercial transactions.
会社は設備投資のために長期手形を発行した。
The company issued a long-term bill for capital investment.
短期手形 is a short-term bill, usually maturing within a year, while 長期手形 has a longer maturity.
Compound of 長期 (long-term) and 手形 (bill, note). The exact historical derivation is uncertain, but the term is a standard financial compound.