noun, noun which may take the genitive case particle 'no'
high unit cost; high unit price
Used in business and economic contexts to describe items or services with a high per-unit cost or price.
高単価の商品は利益率が高い。
High-unit-price products have high profit margins.
このサービスは高単価だが、品質は確かだ。
This service has a high unit cost, but the quality is reliable.
高価 means 'expensive' or 'high-priced' in a general sense, while 高単価 focuses on the per-unit cost/price, often in business analysis.
Compound of 高 (high) and 単価 (unit price/cost). The exact historical derivation is uncertain, but the word follows a common pattern for business terminology.