Wiktionary(0.00 / 0 votes)Rate this definition: 1  homologation(Noun) Any reaction that converts a compound into the next member of a homologous series, usually by lengthening a carbon chain. 2  homologation(Noun) Official certification.
The world's most expensive handbag: an HermÃ¨s Birkin bag sells at auction for Â£208,175. This week a Birkin bag broke records and became the most expensive handbag in the world. The rare Himalayan crocodile Birkin with white gold detailing and 245 diamonds was bought for $300,168 (Â£208,175) by an anonymous buyer at a Christie's auction in Hong Kong.
Worldâs Most Expensive Gear. 1  $4,000 Swiss Army Knife. 2  $1,150 Performance Trench Coat. 3  $22 Million RV. 4  $1,700 Smart Watch. 5  $5,500 Space Station Tent. 6  $1,500 Parka. 7  $1,500 Diving Light. 8  $1,400 Sleeping Bag. 9  $1,500 Bike Pedals.