heme, haem, hematin, haemitin, protoheme
(noun) a complex red organic pigment containing iron and other atoms to which oxygen binds
Source: WordNet® 3.1
heme (countable and uncountable, plural hemes)
(biochemistry) The component of hemoglobin (and other hemoproteins) responsible for binding oxygen. It consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules; one molecule binds one molecule of oxygen.
Source: Wiktionary
25 June 2025
(noun) a state of being confined (usually for a short time); “his detention was politically motivated”; “the prisoner is on hold”; “he is in the custody of police”
According to Guinness World Records, on 25 September 2016, the Birla Institute of Management Technology (India) in Uttar Pradesh, India, constructed the largest coffee cups pyramid consisting of 23,821 cups. They used paper takeaway coffee cups to build the pyramid.
