A credo is a set of beliefs, principles, or opinions that strongly influence the way a person lives or works. Lord Clarendon's liberal credo was one of the foundations of his political conduct. = creed. credos a formal statement of the beliefs of a particular person, group, religion etc
Originally a specific manufacturer of PG based humidification devices for humidors, the term credo is now often used for any humidification devices, which chemically regulated the humidor's environment